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A204876 as a triangular array

207
551551
146731671467
424510397103974245
1224159377533115937712241
3628521987133717933717921987136285
10739711746691912223425614119122231174669107397
32131746552291164455927234451

A204876 as a square array

207551146742451224136285107397321317
5513167103975937721987111746694655229
14671039753311337179191222311644559
424559377337179425614127234451
122412198711912223
362851174669
107397

A204876 as an upper right triangle

207551146742451224136285107397321317
5513167103975937721987111746694655229
14671039753311337179191222311644559
424559377337179425614127234451
122412198711912223
362851174669
107397

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Last modified March 29 06:15 EDT 2024. Contains 371265 sequences. (Running on oeis4.)