# A001244 (b-file synthesized from sequence entry)
8 1
9 502
10 47840
11 2203488
12 66318474
13 1505621508
14 27971176092
15 447538817472
16 6382798925475
17 83137223185370
18 1006709967915228
19 11485644635009424
20 124748182104463860
21 1300365805079109480
22 13093713503185076040