# A067654 (b-file synthesized from sequence entry)
1 2
2 4
3 22
4 38
5 314
6 1504
7 16346
8 24796
9 331906
10 2426404
11 38445118
12 163944598
13 2993870654
14 2647864592
15 601353085846
16 820420721222
17 18874008233858
18 20741357283932
19 5782164084903302
20 38314394323494974
21 1059898973520975218