# A007291 (b-file synthesized from sequence entry)
2 7
3 63
4 254
5 710
6 1605
7 3157
8 5628
9 9324
10 14595
11 21835
12 31482
13 44018
14 59969
15 79905
16 104440
17 134232
18 169983
19 212439
20 262390
21 320670
22 388157
23 465773
24 554484
25 655300
26 769275
27 897507
28 1041138
29 1201354
30 1379385