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A220988 as a simple table

na(n)
0407353
14572972882642803
2109245858982819139102535553
32812355783638980226466572392952970603
472895462357781065526518523423275265184080402953
51890603163831201090586603020695655490130990020251181357603

[407353,4572972882642803,
 109245858982819139102535553,
 2812355783638980226466572392952970603,
 72895462357781065526518523423275265184080402953,
 18906031638312010905866030206956554901309900202511\
 81357603]