A187115 - OEIS

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A187115 as a triangular array

1

1 2

1 4 7

1 6 20 40

1 8 39 138 326

1 10 64 318 1258 3492

1 12 95 604 3242 14476 46558

1 14 132 1020 6844 40348 202655 744320

1 16 175 1590 12750 92140 598083 3354848 13889080

1 18 224 2338 21766 185240 1450388 10337402 64246776 296459376

A187115 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`2`	`4`	`6`	`8`	`10`	`12`	`14`	`16`	`18`
`7`	`20`	`39`	`64`	`95`	`132`	`175`	`224`
`40`	`138`	`318`	`604`	`1020`	`1590`	`2338`
`326`	`1258`	`3242`	`6844`	`12750`	`21766`
`3492`	`14476`	`40348`	`92140`	`185240`
`46558`	`202655`	`598083`	`1450388`
`744320`	`3354848`	`10337402`
`13889080`	`64246776`
`296459376`

A187115 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`2`	`4`	`6`	`8`	`10`	`12`	`14`	`16`	`18`
		`7`	`20`	`39`	`64`	`95`	`132`	`175`	`224`
			`40`	`138`	`318`	`604`	`1020`	`1590`	`2338`
				`326`	`1258`	`3242`	`6844`	`12750`	`21766`
					`3492`	`14476`	`40348`	`92140`	`185240`
						`46558`	`202655`	`598083`	`1450388`
							`744320`	`3354848`	`10337402`
								`13889080`	`64246776`
									`296459376`

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Last modified April 25 10:22 EDT 2024. Contains 371967 sequences. (Running on oeis4.)