# A024278 (b-file synthesized from sequence entry)
0 0
1 1
2 6
3 179
4 9676
5 854597
6 111361298
7 20061390071
8 4771665341848
9 1447947783210249
10 545795035419716382
11 250167844738073041595
12 137013989756844496168292
13 88367083240335992790622797