# A015638 (b-file synthesized from sequence entry)
2 0
3 3
4 9
5 28
6 50
7 105
8 169
9 279
10 406
11 625
12 839
13 1202
14 1570
15 2086
16 2646
17 3461
18 4219
19 5358
20 6452
21 7899
22 9381
23 11404
24 13240
25 15805
26 18272
27 21383
28 24461
29 28520
30 32107
31 37066
32 41706
33 47395
34 52968
35 59990
36 66312
37 74747
38 82553
39 91969
40 100989
41 112468