# A115328 (b-file synthesized from sequence entry)
0 1
1 1
2 16
3 100
4 2116
5 27556
6 732736
7 14776336
8 476112400
9 13013333776
10 494512742656
11 17019717246016
12 747017670477376
13 30923039616270400
14 1542024562112889856
15 74433082892402872576
16 4161241771884669788416