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A221238 as a simple table

na(n)
10
2467
367710
48959341
51130617545
6141336723259
717607272065860
82191088686237881
9272559108705818889
1033900194712220801503
114216208061863101762098
12524365251673562024764232

[0,467,67710,8959341,1130617545,141336723259,
 17607272065860,2191088686237881,
 272559108705818889,33900194712220801503,
 4216208061863101762098,524365251673562024764232]