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A251228 as a triangular array

14
4949
171305171
59718921892597
20841175320782117532084
727572985228689228689729857275
2539645327325150114462968251501145327325396
886542814985276629948702454487024544276629942814985

A251228 as a square array

1449171597208472752539688654
49305189211753729854532732814985
171189220782228689251501127662994
59711753228689446296887024544
208472985251501187024544
727545327327662994
253962814985

A251228 as an upper right triangle

1449171597208472752539688654
49305189211753729854532732814985
171189220782228689251501127662994
59711753228689446296887024544
208472985251501187024544
727545327327662994
253962814985

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Last modified April 25 05:56 EDT 2024. Contains 371964 sequences. (Running on oeis4.)