# A151323 (b-file synthesized from sequence entry)
0 1
1 3
2 14
3 67
4 342
5 1790
6 9580
7 52035
8 285990
9 1586298
10 8864676
11 49844238
12 281719164
13 1599314652
14 9113895960
15 52109150691
16 298806189318
17 1717855010274
18 9898828072692
19 57158263594458
20 330662400729492
21 1916134078427556
22 11120825740970088
23 64634042348169294
24 376139362185133404
25 2191569966890629380