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A223247 as a triangular array

7
1818
6010260
168642642168
5284086115384086528
153626034144582144582260341536
47041658942663082533684426630821658944704
1392010571223359045419863475819863475833590454105712213920

A223247 as a square array

718601685281536470413920
181026424086260341658941057122
6064211538144582266308233590454
16840861445825336844198634758
528260342663082198634758
153616589433590454
47041057122
13920

A223247 as an upper right triangle

718601685281536470413920
181026424086260341658941057122
6064211538144582266308233590454
16840861445825336844198634758
528260342663082198634758
153616589433590454
47041057122
13920

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Last modified March 28 04:05 EDT 2024. Contains 371235 sequences. (Running on oeis4.)