# A275781 (b-file synthesized from sequence entry)
0 0
1 0
2 0
3 1
4 3
5 9
6 43
7 209
8 1042
9 5682
10 32875
11 200919
12 1299092
13 8848623
14 63108778
15 471509591
16 3671980053
17 29797471739
18 251120234182
19 2196428139810
20 19882638695048
21 186205573812059
22 1799766634300161
23 17946783669353462
24 184277407872729741
25 1947501874827169041