# A244494 (b-file synthesized from sequence entry)
1 2
2 6
3 70
4 870
5 36518
6 1828134
7 300503590
8 60273667110
9 39431461330982
10 31648840352155686
11 82716718794775795750
12 265590372390118027343910
13 2775704953984257023035176998
14 35650312393325457366304103888934
15 1490221075739321877604231759426844710