# A123351 (b-file synthesized from sequence entry)
0 1
1 4
2 30
3 146
4 517
5 1476
6 3614
7 7890
8 15761
9 29332
10 51526
11 86274
12 138725
13 215476
14 324822
15 477026
16 684609
17 962660
18 1329166
19 1805362
20 2416101
21 3190244
22 4161070
23 5366706
24 6850577
25 8661876
26 10856054
27 13495330
28 16649221
29 20395092
30 24818726