# A369161 (b-file synthesized from sequence entry)
0 1
1 3
2 15
3 91
4 613
5 4410
6 33190
7 258129
8 2058281
9 16737259
10 138268611
11 1157197639
12 9790774861
13 83606543660
14 719638883748
15 6237175439640
16 54386540912490
17 476782443732437
18 4199713449255749
19 37151346765537606
20 329914740292813170
21 2939975733035070000