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A221202 as a simple table

na(n)
10
249
346
49025
558700
62518569
732085376
8848789956
914068757692
10311366232004
115733258186854
12118412678934081
132273843945394922
1445702294155340601
15892403786998151272
1617744284197389113081
17348794591561701410272

[0,49,46,9025,58700,2518569,32085376,848789956,
 14068757692,311366232004,5733258186854,
 118412678934081,2273843945394922,
 45702294155340601,892403786998151272,
 17744284197389113081,348794591561701410272]