# A318564 (b-file synthesized from sequence entry)
1 1
2 6
3 36
4 274
5 2408
6 24440
7 279172
8 3542798
9 49354816
10 747851112
11 12231881948
12 214593346534
13 4016624367288
14 79843503990710
15 1678916979373760
16 37215518578700028
17 866953456654946948
18 21167221410812128266
19 540346299720320080828
20 14390314687100383124540
21 399023209689817997883900