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A157028 as a triangular array

1
21
421
8531
1612641
3228131051
646433201561
1281448439352171
2563202028870562881
512704468228131126843691
10241536107160026025221012045101

A157028 as a square array

12481632641282565121024
1251228641443207041536
1361333842024681071
1410203988228600
15153570131260
162156126252
172884210
1836120
1945
110
1

A157028 as an upper right triangle

12481632641282565121024
1251228641443207041536
1361333842024681071
1410203988228600
15153570131260
162156126252
172884210
1836120
1945
110
1

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Last modified March 29 08:53 EDT 2024. Contains 371268 sequences. (Running on oeis4.)