# A121750 (b-file synthesized from sequence entry)
1 0
2 1
3 5
4 26
5 184
6 1338
7 11652
8 108210
9 1140336
10 12849714
11 159858900
12 2117522754
13 30442090248
14 463511103426
15 7569181895436
16 130254363597330
17 2383020441932256
18 45738553437874962
19 927010880040945924