# A162365 (b-file synthesized from sequence entry)
0 1
1 23
2 275
3 2277
4 14673
5 78407
6 361514
7 1477750
8 5461235
9 18518565
10 58282576
11 171815888
12 477989151
13 1262643305
14 3183445871
15 7694405993
16 17895700206
17 40182143330
18 87349858045
19 184297593435
20 378236260170
21 756560791350