# A151316 (b-file synthesized from sequence entry)
0 1
1 3
2 12
3 51
4 225
5 1020
6 4691
7 21859
8 102708
9 486132
10 2313507
11 11061139
12 53085223
13 255590813
14 1233990233
15 5971857421
16 28960718794
17 140702481744
18 684696284001
19 3336735766754
20 16282068484389
21 79543793479479
22 389013643164321
23 1904338699220063
24 9330579503155732
25 45753751710340198
26 224528126328635579