# A229727 (b-file synthesized from sequence entry)
0 2
1 20
2 256
3 4832
4 42496
5 1467392
6 62836736
7 42790912
8 2535587840
9 170851041280
10 3070050172928
11 256460544016384
12 4697678227177472
13 52001663422038016
14 5598478396465086464
15 647670579588837146624
16 2427980359983876276224
17 9138219784535816536064
18 1277040945143933271277568