# A097970 (b-file synthesized from sequence entry)
1 1
2 4
3 6
4 16
5 22
6 39
7 103
8 163
9 240
10 1048
11 1974
12 2559
13 5880
14 14436
15 28338
16 32796
17 38079
18 56779
19 91215
20 111325
21 115863
22 138604