A257505 - OEIS

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A257505 as a triangular array

1

4 2

18 12 3

96 72 16 5

600 480 90 22 6

4320 3600 576 114 48 7

35280 30240 4200 696 360 52 8

322560 282240 34560 4920 2880 378 60 9

3265920 2903040 317520 39600 25200 2976 432 64 10

36288000 32659200 3225600 357840 241920 25800 3360 450 66 11

439084800 399168000 35925120 3588480 2540160 246240 28800 3456 456 70 13

A257505 as a square array

`1`	`4`	`18`	`96`	`600`	`4320`	`35280`	`322560`	`3265920`	`36288000`	`439084800`
`2`	`12`	`72`	`480`	`3600`	`30240`	`282240`	`2903040`	`32659200`	`399168000`
`3`	`16`	`90`	`576`	`4200`	`34560`	`317520`	`3225600`	`35925120`
`5`	`22`	`114`	`696`	`4920`	`39600`	`357840`	`3588480`
`6`	`48`	`360`	`2880`	`25200`	`241920`	`2540160`
`7`	`52`	`378`	`2976`	`25800`	`246240`
`8`	`60`	`432`	`3360`	`28800`
`9`	`64`	`450`	`3456`
`10`	`66`	`456`
`11`	`70`
`13`

A257505 as an upper right triangle

`1`	`4`	`18`	`96`	`600`	`4320`	`35280`	`322560`	`3265920`	`36288000`	`439084800`
	`2`	`12`	`72`	`480`	`3600`	`30240`	`282240`	`2903040`	`32659200`	`399168000`
		`3`	`16`	`90`	`576`	`4200`	`34560`	`317520`	`3225600`	`35925120`
			`5`	`22`	`114`	`696`	`4920`	`39600`	`357840`	`3588480`
				`6`	`48`	`360`	`2880`	`25200`	`241920`	`2540160`
					`7`	`52`	`378`	`2976`	`25800`	`246240`
						`8`	`60`	`432`	`3360`	`28800`
							`9`	`64`	`450`	`3456`
								`10`	`66`	`456`
									`11`	`70`
										`13`

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Last modified April 19 14:10 EDT 2024. Contains 371792 sequences. (Running on oeis4.)