# A033508 (b-file synthesized from sequence entry)
0 1
1 8
2 228
3 5096
4 120465
5 2810694
6 65805403
7 1539222016
8 36012826776
9 842518533590
10 19711134149599
11 461148537211748
12 10788744980331535
13 252406631116215534
14 5905146419664967132
15 138153075553825008696