# A134281 (b-file synthesized from sequence entry)
1 1
2 7
3 73
4 1165
5 23737
6 611221
7 18690205
8 668252677
9 27220297405
10 1246965912877
11 63372307277821
12 3539782399096237
13 215467387904873101
14 14196835617995678125
15 1006540575704304853261
16 76406049317127647613901