# A051880 (b-file synthesized from sequence entry)
0 1
1 15
2 75
3 245
4 630
5 1386
6 2730
7 4950
8 8415
9 13585
10 21021
11 31395
12 45500
13 64260
14 88740
15 120156
16 159885
17 209475
18 270655
19 345345
20 435666
21 543950
22 672750
23 824850
24 1003275
25 1211301
26 1452465
27 1730575
28 2049720
29 2414280
30 2828936
31 3298680
32 3828825
33 4425015
34 5093235