# A150777 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 30
4 130
5 564
6 2557
7 11683
8 54346
9 254545
10 1203147
11 5716624
12 27310772
13 130979508
14 630438224
15 3043186518
16 14727732882
17 71430873409
18 347119061240
19 1689676501553
20 8237284859214
21 40211183449288
22 196532448155539
23 961599134863745
24 4709587019390239
25 23086704003927488
26 113265637193121309