# A015641 (b-file synthesized from sequence entry)
2 0
3 0
4 0
5 0
6 1
7 6
8 21
9 56
10 125
11 251
12 456
13 786
14 1266
15 1980
16 2946
17 4311
18 6056
19 8436
20 11370
21 15231
22 19866
23 25851
24 32801
25 41655
26 51786
27 64366
28 78601
29 96151
30 115495
31 139246
32 165286
33 196541
34 230681
35 271585
36 315256
37 367616
38 423461
39 489011