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A275431 as a triangular array

1
21
521
14821
4224821
1328528821
42928610028821
1430100835810528821
48623536130937810528821
16796126184772141038410528821
5878645220175565220143538410528821

A275431 as a square array

1251442132429143048621679658786
1282485286100835361261845220
128281003581309477217556
1282810537814105220
128281053841435
12828105384
12828105
12828
128
12
1

A275431 as an upper right triangle

1251442132429143048621679658786
1282485286100835361261845220
128281003581309477217556
1282810537814105220
128281053841435
12828105384
12828105
12828
128
12
1

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Last modified April 18 08:08 EDT 2024. Contains 371769 sequences. (Running on oeis4.)