# A245060 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 28
4 271
5 3172
6 43174
7 666577
8 11445214
9 215478712
10 4401799930
11 96757165012
12 2273105615356
13 56755763435503
14 1499039156935948
15 41714498328290992
16 1218787798107634291
17 37275555462806318512
18 1190200470204107432854
19 39581409916012393962280
20 1368112674516484881342244