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A156291 as a triangular array

1
38
21104315
1051040535519344
325512584018260551510766486590175
976588088023738715317260944268429542516476602400
124015596280184012963712261561964234972641502856479594752261529015616800

A156291 as a square array

1321105325597651240155
81041040125840880880962801840
3155355182605523738715129637122615
19344151076643172609446196423497264
865901752684295425150285647959475
164766024002261529015616800

A156291 as an upper right triangle

1321105325597651240155
81041040125840880880962801840
3155355182605523738715129637122615
19344151076643172609446196423497264
865901752684295425150285647959475
164766024002261529015616800

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Last modified July 21 03:22 EDT 2019. Contains 325189 sequences. (Running on oeis4.)