# A033658 (b-file synthesized from sequence entry)
0 25
1 77
2 154
3 605
4 1111
5 2222
6 4444
7 8888
8 17776
9 85547
10 160105
11 661166
12 1322332
13 3654563
14 7309126
15 13528163
16 49710694
17 99312488
18 187733887
19 976071668
20 1842242347
21 9274664828
22 17559329557
23 93151725128