A350258 - OEIS

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A350258 as a triangular array

1

0 1

0 2 12

0 5 44 342

0 15 188 1854 18144

0 52 908 11196 130272 1545600

0 203 4860 74106 1016544 13818600 193030560

0 877 28428 531378 8535264 132204600 2065854240 33232948560

A350258 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`2`	`5`	`15`	`52`	`203`	`877`
`12`	`44`	`188`	`908`	`4860`	`28428`
`342`	`1854`	`11196`	`74106`	`531378`
`18144`	`130272`	`1016544`	`8535264`
`1545600`	`13818600`	`132204600`
`193030560`	`2065854240`
`33232948560`

A350258 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`2`	`5`	`15`	`52`	`203`	`877`
		`12`	`44`	`188`	`908`	`4860`	`28428`
			`342`	`1854`	`11196`	`74106`	`531378`
				`18144`	`130272`	`1016544`	`8535264`
					`1545600`	`13818600`	`132204600`
						`193030560`	`2065854240`
							`33232948560`

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Last modified April 19 03:46 EDT 2024. Contains 371782 sequences. (Running on oeis4.)