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A008280 as a triangular array

1
01
110
0122
55420
0510141616
6161564632160
061122178224256272272
138513851324120210248005442720
0138527704094529663207120766479367936

A008280 as a square array

10105061013850
11155616113851385
024105612213242770
22144617812024094
0163222410245296
16162568006320
02725447120
2722727664
07936
7936

A008280 as an upper right triangle

10105061013850
11155616113851385
024105612213242770
22144617812024094
0163222410245296
16162568006320
02725447120
2722727664
07936
7936

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Last modified August 3 06:43 EDT 2021. Contains 346435 sequences. (Running on oeis4.)