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A251527 as a simple table

na(n)
130377
2546525
311314071
4216137483
54060878845
677906507591
71498035497513
828691083120021
9549693762159617
1010541959853810087
11202160251694906929
123876276632392216321
1374329842782534694397
141425379360351558502261

[30377,546525,11314071,216137483,4060878845,
 77906507591,1498035497513,28691083120021,
 549693762159617,10541959853810087,
 202160251694906929,3876276632392216321,
 74329842782534694397,1425379360351558502261]