# A137368 (b-file synthesized from sequence entry)
1 3
2 9
3 27
4 66
5 144
6 253
7 424
8 651
9 977
10 1392
11 1866
12 2479
13 3169
14 3981
15 4978
16 6137
17 7420
18 8829
19 10477
20 12279
21 14295
22 16613
23 19124
24 21906
25 24904
26 28056
27 31494
28 35320
29 39486
30 44102
31 49116
32 54103
33 59468
34 65143
35 71315
36 77649
37 84504
38 91720
39 99303
40 107365