barbalala:src krtekamusica$ python test_intseqdb.py 
=*=*=*=*=*=*=*=*=*=*=*=*=
number of sequences in the database: 7
iter(db) must be a generator: <generator object <genexpr> at 0x1004b0050>
Even numbers: 0, 2, 4, 6, 8, 10, 12, 14, 16, 18
Odd numbers: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19
Powers of 1: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
Powers of 2: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512
Powers of 4: 1, 4, 16, 64, 256, 1024, 4096, 16384, 65536, 262144
Catalan numbers: 1, 1, 2, 5, 14, 42, 132, 429, 1430, 4862
Fibonacci numbers: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34
=*=*=*=*=*=*=*=*=*=*=*=*=
all sequences which description contains 'Powers' in their description
Database.search_by_name() returns a generator: <generator object <genexpr> at 0x1004b0050>
Powers of 1: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
Powers of 2: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512
Powers of 4: 1, 4, 16, 64, 256, 1024, 4096, 16384, 65536, 262144
=*=*=*=*=*=*=*=*=*=*=*=*=
all sequences that begin as 1, 1
Database.search_by_seq(): <generator object <genexpr> at 0x1004b0050>
Powers of 1: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
Catalan numbers: 1, 1, 2, 5, 14, 42, 132, 429, 1430, 4862
=*=*=*=*=*=*=*=*=*=*=*=*=
all sequences that begin as 1, 1, 2
Catalan numbers: 1, 1, 2, 5, 14, 42, 132, 429, 1430, 4862
=*=*=*=*=*=*=*=*=*=*=*=*=
all sequences that begin as 1, 1, 2, 3
=*=*=*=*=*=*=*=*=*=*=*=*=
all sequences that begin as 1, 2 with maximum shift 3
Powers of 2: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512
Catalan numbers: 1, 1, 2, 5, 14, 42, 132, 429, 1430, 4862
Fibonacci numbers: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34
=*=*=*=*=*=*=*=*=*=*=*=*=
all pairs of sequences that begin with the same 2 integers
pair 1
Powers of 1: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
Catalan numbers: 1, 1, 2, 5, 14, 42, 132, 429, 1430, 4862
=*=*=*=*=*=*=*=*=*=*=*=*=
delete all sequences that  bagins as 1, 1
we just deleted 2 sequences
number of sequences in the database: 5
Even numbers: 0, 2, 4, 6, 8, 10, 12, 14, 16, 18
Odd numbers: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19
Powers of 2: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512
Powers of 4: 1, 4, 16, 64, 256, 1024, 4096, 16384, 65536, 262144
Fibonacci numbers: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34
barbalala:src krtekamusica$