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A260612 as a triangular array

1
11
10-1
12-1-2
1-4-13412
120-109-308108288
1-100-25091277237068-12672-34560
1620-74509-1793708923290826676288-9158400-24883200
1-4420-31993093737316529049521228-46507180032-13445764992046133452800125411328000

A260612 as a square array

111111111
102-420-100620-4420
-1-1-13-109-2509-74509-3199309
-24-30812772-1793708373731652
121083706892329089049521228
288-1267226676288-46507180032
-34560-9158400-134457649920
-2488320046133452800
125411328000

A260612 as an upper right triangle

111111111
102-420-100620-4420
-1-1-13-109-2509-74509-3199309
-24-30812772-1793708373731652
121083706892329089049521228
288-1267226676288-46507180032
-34560-9158400-134457649920
-2488320046133452800
125411328000

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Last modified July 28 05:45 EDT 2021. Contains 346317 sequences. (Running on oeis4.)