# A012751 (b-file synthesized from sequence entry)
0 0
1 2
2 12
3 430
4 27384
5 2844538
6 444855620
7 96566466022
8 27798112443248
9 10239758940342642
10 4695120560496345596
11 2621628020059813754526
12 1751011006876497963996520
13 1378272807335260827405511146