# A143008 (b-file synthesized from sequence entry)
0 1
1 13
2 73
3 253
4 661
5 1441
6 2773
7 4873
8 7993
9 12421
10 18481
11 26533
12 36973
13 50233
14 66781
15 87121
16 111793
17 141373
18 176473
19 217741
20 265861
21 321553
22 385573
23 458713
24 541801
25 635701
26 741313
27 859573
28 991453
29 1137961
30 1300141
31 1479073
32 1675873
33 1891693
34 2127721