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A263506 as a triangular array

8
4859
2042282360
77054924783062196
268711114428349744278549313704
855920380008830632993142537954310177653885189
25383337841109776480709687141158025452557688465173683279274528559
71498

A263506 as a square array

848204770268785592538371498
59228254924111144220380008337841109
36078306834974483063299377648070968
219627854931425379543714115802545
13704101776538255768846517
851893683279274
528559

A263506 as an upper right triangle

848204770268785592538371498
59228254924111144220380008337841109
36078306834974483063299377648070968
219627854931425379543714115802545
13704101776538255768846517
851893683279274
528559

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Last modified September 21 05:55 EDT 2020. Contains 337267 sequences. (Running on oeis4.)