# A153304 (b-file synthesized from sequence entry)
0 1
1 2
2 11
3 86
4 818
5 8870
6 105965
7 1366392
8 18765702
9 271970994
10 4131937389
11 65478068666
12 1078175171377
13 18392088785962
14 324248141334314
15 5896276936120944
16 110414710776883484
17 2126330263151116868