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A121575 as a triangular array

1
-21
6-51
-2424-81
114-12351-111
-600672-31287-141
3372-38581914-618132-171
-1982422992-119044218-1068186-201
120426-14099175183-283838043-1689249-231
-749976884112-481704190347-5839813929-2508321-261

A121575 as a square array

1-26-24114-6003372-19824120426-749976
1-524-123672-385822992-140991884112
1-851-3121914-1190475183-481704
1-1187-6184218-28383190347
1-14132-10688043-58398
1-17186-168913929
1-20249-2508
1-23321
1-26
1

A121575 as an upper right triangle

1-26-24114-6003372-19824120426-749976
1-524-123672-385822992-140991884112
1-851-3121914-1190475183-481704
1-1187-6184218-28383190347
1-14132-10688043-58398
1-17186-168913929
1-20249-2508
1-23321
1-26
1

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Last modified April 23 11:13 EDT 2024. Contains 371905 sequences. (Running on oeis4.)