# A035821 (b-file synthesized from sequence entry)
0 1
1 144
2 10368
3 497712
4 17922816
5 516475728
6 12407366016
7 255606154992
8 4610216314368
9 73962265817104
10 1068744800817792
11 14051355610010544
12 169506887987474688
13 1889504367838959312
14 19580193687475702656