# A122994 (b-file synthesized from sequence entry)
0 1
1 3
2 12
3 39
4 147
5 498
6 1821
7 6303
8 22692
9 79419
10 283647
11 998418
12 3551241
13 12537003
14 44498172
15 157331199
16 557814747
17 1973795538
18 6994128261
19 24758288103
20 87705442452
21 310530035379
22 1099879017447
23 3894649335858
24 13793560492881
25 48845404515603
26 172987448951532