# A061232 (b-file synthesized from sequence entry)
0 0
1 1
2 2
3 6
4 21
5 98
6 547
7 3556
8 26738
9 227720
10 2170267
11 22877331
12 264314464
13 3320870054
14 45076422125
15 657316885209
16 10247614197601
17 170081414212020
18 2994059471570761
19 55718507205774017
20 1092932100469356250
21 22536709415953547880
22 487361620197926253365