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A006410 as a simple table

na(n)
220
3651
48344
564667
6361884
71607125
85997992
919535997
1057014776
11151986562
12375470160
13869285378
141902886024
153966657702
167920130544
1715220758070
1828268206764
1950910912965
2089176474920
21152305796565
22254193384900
23415363487955
24665644575960
251047743815755

[20,651,8344,64667,361884,1607125,5997992,
 19535997,57014776,151986562,375470160,869285378,
 1902886024,3966657702,7920130544,15220758070,
 28268206764,50910912965,89176474920,152305796565,
 254193384900,415363487955,665644575960,
 1047743815755]