# A036783 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 7
4 27
5 118
6 539
7 2582
8 12736
9 64363
10 331239
11 1730575
12 9153221
13 48917102
14 263737228
15 1432790266
16 7835499474
17 43099916199
18 238299581172
19 1323627927733
20 7382441210007
21 41328639721641
22 232150252111223
23 1308049090247417