# A243676 (b-file synthesized from sequence entry)
0 1
1 1
2 9
3 113
4 1649
5 26225
6 440985
7 7711009
8 138792929
9 2554489505
10 47854963881
11 909495557393
12 17492724268369
13 339846019830673
14 6659441891042105
15 131467175048437569
16 2612224160086781889
17 52201209713045788737
18 1048450942860766632777
19 21153308764742204273329
20 428520989167282737342513