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A177993 as a triangular array

1
11
231
2431
38951
39131151
41528312071
4163446402271
52462102110783591
52570130166148913791
63511525037640030115754111
63612529549661055336717456111

A177993 as a square array

112233445566
13489151624253536
1391328346270115125
15113146102130250295
152040110166376496
172278148400610
173591301553
1937157367
1954174
11156
111
1

A177993 as an upper right triangle

112233445566
13489151624253536
1391328346270115125
15113146102130250295
152040110166376496
172278148400610
173591301553
1937157367
1954174
11156
111
1

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Last modified March 2 05:08 EST 2024. Contains 370460 sequences. (Running on oeis4.)