# A123764 (b-file synthesized from sequence entry)
1 1
2 2
3 7
4 24
5 99
6 416
7 1854
8 8407
9 38970
10 182742
11 866442
12 4140607
13 19925401
14 96430625
15 469005432
16 2290860538
17 11232074043
18 55255074216
19 272634835875
20 1348823736479
21 6689314884962
22 33247860759418
23 165583649067958
24 826170069700588
25 4129098732200830