# A027115 (b-file synthesized from sequence entry)
0 1
1 4
2 11
3 31
4 87
5 246
6 700
7 2003
8 5758
9 16616
10 48102
11 139625
12 406214
13 1184138
14 3457771
15 10112245
16 29613029
17 86824136
18 254840534
19 748725393
20 2201731878
21 6479790418
22 19084605389
23 56247812793
24 165884498711
25 489512360356