# A037552 (b-file synthesized from sequence entry)
1 2
2 7
3 22
4 68
5 205
6 616
7 1850
8 5551
9 16654
10 49964
11 149893
12 449680
13 1349042
14 4047127
15 12141382
16 36424148
17 109272445
18 327817336
19 983452010
20 2950356031
21 8851068094
22 26553204284
23 79659612853
24 238978838560
25 716936515682