# A004971 (b-file synthesized from sequence entry)
0 0
1 2207
2 4414
3 6621
4 8828
5 11035
6 13242
7 15449
8 17656
9 19863
10 22070
11 24277
12 26484
13 28691
14 30898
15 33105
16 35312
17 37519
18 39726
19 41933
20 44140
21 46347
22 48554
23 50761
24 52968
25 55175
26 57382
27 59589
28 61796