# A107956 (b-file synthesized from sequence entry)
0 1
1 23
2 205
3 1120
4 4508
5 14700
6 41076
7 101970
8 230505
9 482911
10 949949
11 1772134
12 3159520
13 5416880
14 8975184
15 14430348
16 22590297
17 34531455
18 51665845
19 75820052
20 109327372
21 155134540
22 216924500
23 299256750
24 407726865
25 549146871
26 731748213