# A124705 (b-file synthesized from sequence entry)
0 1
1 12
2 34
3 78
4 206
5 542
6 1468
7 4016
8 11110
9 30966
10 86864
11 244916
12 693536
13 1971072
14 5619466
15 16064438
16 46032790
17 132184022
18 380276272
19 1095828356
20 3162539596
21 9139382876
22 26444232046
23 76600376186
24 222113604712
25 644654567192