# A037702 (b-file synthesized from sequence entry)
1 1
2 7
3 28
4 114
5 457
6 1831
7 7324
8 29298
9 117193
10 468775
11 1875100
12 7500402
13 30001609
14 120006439
15 480025756
16 1920103026
17 7680412105
18 30721648423
19 122886593692
20 491546374770
21 1966185499081
22 7864741996327
23 31458967985308