# A037094 (b-file synthesized from sequence entry)
0 0
1 7
2 29
3 114
4 971
5 3695
6 14684
7 58639
8 496705
9 1892294
10 7518347
11 30023387
12 258775984
13 966632223
14 3848859285
15 32551146626
16 123937019667
17 492763242871
18 1967451434524
19 16666715013959
20 63494909959113