# A122885 (b-file synthesized from sequence entry)
1 1
2 13
3 61
4 385
5 2185
6 12853
7 74677
8 435721
9 2538625
10 14798077
11 86245741
12 502684561
13 2929845241
14 17076419653
15 99528607141
16 580095354265
17 3381043256305
18 19706164707853
19 114855943942237
20 669429501042721