A227751 - OEIS

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A227751 as a triangular array

2

4 4

7 13 7

13 40 40 13

24 129 210 129 24

44 409 1122 1122 409 44

81 1300 6002 10092 6002 1300 81

149 4137 32114 90881 90881 32114 4137 149

274 13152 171759 817897 1378923 817897 171759 13152 274

504 41825

A227751 as a square array

`2`	`4`	`7`	`13`	`24`	`44`	`81`	`149`	`274`	`504`
`4`	`13`	`40`	`129`	`409`	`1300`	`4137`	`13152`	`41825`
`7`	`40`	`210`	`1122`	`6002`	`32114`	`171759`
`13`	`129`	`1122`	`10092`	`90881`	`817897`
`24`	`409`	`6002`	`90881`	`1378923`
`44`	`1300`	`32114`	`817897`
`81`	`4137`	`171759`
`149`	`13152`
`274`

A227751 as an upper right triangle

`2`	`4`	`7`	`13`	`24`	`44`	`81`	`149`	`274`	`504`
	`4`	`13`	`40`	`129`	`409`	`1300`	`4137`	`13152`	`41825`
		`7`	`40`	`210`	`1122`	`6002`	`32114`	`171759`
			`13`	`129`	`1122`	`10092`	`90881`	`817897`
				`24`	`409`	`6002`	`90881`	`1378923`
					`44`	`1300`	`32114`	`817897`
						`81`	`4137`	`171759`
							`149`	`13152`
								`274`

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Last modified April 18 11:02 EDT 2024. Contains 371779 sequences. (Running on oeis4.)