# A005193 (b-file synthesized from sequence entry)
1 1
2 2
3 4
4 10
5 30
6 106
7 426
8 1930
9 9690
10 53578
11 322650
12 2106250
13 14790810
14 111327178
15 893091930
16 7614236170
17 68695024410
18 654301474378
19 6557096219610
20 69005893630090
21 760519875693210
22 8763511069234378
23 105343011537811290
24 1319139904954848010