# A054196 (b-file synthesized from sequence entry)
0 1
1 2
2 5
3 12
4 29
5 70
6 169
7 410
8 1005
9 2500
10 6325
11 16276
12 42549
13 112832
14 303073
15 823442
16 2259917
17 6256610
18 17451117
19 48984114
20 138233969
21 391876318
22 1115233413
23 3184379758
24 9118632645
25 26176992668
26 75311867001
27 217096296680
28 626898050125