# A049349 (b-file synthesized from sequence entry)
1 1
2 7
3 29
4 103
5 405
6 1599
7 6141
8 23863
9 92773
10 359791
11 1396493
12 5421415
13 21041397
14 81670431
15 317005341
16 1230432919
17 4775854213
18 18537264079
19 71951401517
20 279275580103
21 1083993881877
22 4207466012031
23 16331061009213