# A033471 (b-file synthesized from sequence entry)
0 1
1 18
2 810
3 10206
4 65610
5 1299078
6 483611310
7 9565938
8 7317942570
9 103053850074
10 383546284110
11 1443528742014
12 257010878197710
13 5083731656658
14 6634269811938690
15 982924264619854326
16 315013432104812970