A127740 - OEIS

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A127740 as a triangular array

1

2 4

6 9 15

20 28 40 60

75 100 135 185 260

312 402 522 684 906 1218

1421 1785 2254 2863 3661 4718 6139

7016 8640 10680 13256 16528 20712 26104 33120

37260 45153 54873 66888 81801 100395 123696 153063 190323

A127740 as a square array

`1`	`2`	`6`	`20`	`75`	`312`	`1421`	`7016`	`37260`
`4`	`9`	`28`	`100`	`402`	`1785`	`8640`	`45153`
`15`	`40`	`135`	`522`	`2254`	`10680`	`54873`
`60`	`185`	`684`	`2863`	`13256`	`66888`
`260`	`906`	`3661`	`16528`	`81801`
`1218`	`4718`	`20712`	`100395`
`6139`	`26104`	`123696`
`33120`	`153063`
`190323`

A127740 as an upper right triangle

`1`	`2`	`6`	`20`	`75`	`312`	`1421`	`7016`	`37260`
	`4`	`9`	`28`	`100`	`402`	`1785`	`8640`	`45153`
		`15`	`40`	`135`	`522`	`2254`	`10680`	`54873`
			`60`	`185`	`684`	`2863`	`13256`	`66888`
				`260`	`906`	`3661`	`16528`	`81801`
					`1218`	`4718`	`20712`	`100395`
						`6139`	`26104`	`123696`
							`33120`	`153063`
								`190323`

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Last modified April 23 06:45 EDT 2024. Contains 371906 sequences. (Running on oeis4.)