A205986 - OEIS

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A205986 as a triangular array

81

423 423

2232 1980 2232

11568 8004 8004 11568

60432 33504 27060 33504 60432

315357 140802 103998 103998 140802 315357

1643538 591336 408411 419088 408411 591336 1643538

8574615 2482596 1599096 1814784 1814784

A205986 as a square array

`81`	`423`	`2232`	`11568`	`60432`	`315357`	`1643538`	`8574615`
`423`	`1980`	`8004`	`33504`	`140802`	`591336`	`2482596`
`2232`	`8004`	`27060`	`103998`	`408411`	`1599096`
`11568`	`33504`	`103998`	`419088`	`1814784`
`60432`	`140802`	`408411`	`1814784`
`315357`	`591336`
`1643538`

A205986 as an upper right triangle

`81`	`423`	`2232`	`11568`	`60432`	`315357`	`1643538`	`8574615`
	`423`	`1980`	`8004`	`33504`	`140802`	`591336`	`2482596`
		`2232`	`8004`	`27060`	`103998`	`408411`	`1599096`
			`11568`	`33504`	`103998`	`419088`	`1814784`
				`60432`	`140802`	`408411`	`1814784`
					`315357`	`591336`
						`1643538`

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)