# A141417 (b-file synthesized from sequence entry)
0 -1
1 1
2 1
3 1
4 19
5 27
6 863
7 1375
8 33953
9 57281
10 3250433
11 5675265
12 13695779093
13 24466579093
14 132282840127
15 240208245823
16 111956703448001
17 205804074290625
18 151711881512390095
19 281550972898020815
20 86560056264289860203
21 161867055619224199787
22 20953816286242674495191
23 39427936010479474495191