A253456 - OEIS

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A253456 as a triangular array

81

414 414

1388 1975 1388

3639 4782 4782 3639

8501 8554 7782 8554 8501

19701 15220 11147 11147 15220 19701

48293 31630 19254 15730 19254 31630 48293

126357 74324 39463 26831 26831 39463 74324 126357

346997 188438

A253456 as a square array

`81`	`414`	`1388`	`3639`	`8501`	`19701`	`48293`	`126357`	`346997`
`414`	`1975`	`4782`	`8554`	`15220`	`31630`	`74324`	`188438`
`1388`	`4782`	`7782`	`11147`	`19254`	`39463`
`3639`	`8554`	`11147`	`15730`	`26831`
`8501`	`15220`	`19254`	`26831`
`19701`	`31630`	`39463`
`48293`	`74324`
`126357`

A253456 as an upper right triangle

`81`	`414`	`1388`	`3639`	`8501`	`19701`	`48293`	`126357`	`346997`
	`414`	`1975`	`4782`	`8554`	`15220`	`31630`	`74324`	`188438`
		`1388`	`4782`	`7782`	`11147`	`19254`	`39463`
			`3639`	`8554`	`11147`	`15730`	`26831`
				`8501`	`15220`	`19254`	`26831`
					`19701`	`31630`	`39463`
						`48293`	`74324`
							`126357`

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Last modified April 26 06:23 EDT 2024. Contains 371990 sequences. (Running on oeis4.)