# A151179 (b-file synthesized from sequence entry)
0 1
1 3
2 12
3 50
4 223
5 1015
6 4729
7 22313
8 106417
9 511458
10 2473148
11 12017294
12 58620251
13 286873813
14 1407618180
15 6922313041
16 34106536761
17 168315924156
18 831793119344
19 4115539692326
20 20384128657815
21 101054234497267
22 501378809307513
23 2489348020547553
24 12367402039498161
25 61477248248504698
26 305750636377131818