# A150496 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 25
4 101
5 408
6 1705
7 7240
8 31295
9 136736
10 601885
11 2670989
12 11928673
13 53590728
14 241750945
15 1095001345
16 4977673451
17 22703347940
18 103836508801
19 476080076739
20 2187828444233
21 10075777711660
22 46491850061587
23 214890070028128
24 994831853703233
25 4612501654136600
26 21415468660890999
27 99556177340653557