A107972 - OEIS

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A107972 as a triangular array

1

3 6

6 14 20

10 25 40 50

15 39 66 90 105

21 56 98 140 175 196

28 76 136 200 260 308 336

36 99 180 270 360 441 504 540

45 125 230 350 475 595 700 780 825

55 154 286 440 605 770 924 1056 1155 1210

66 186 348

A107972 as a square array

`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`	`55`	`66`
`6`	`14`	`25`	`39`	`56`	`76`	`99`	`125`	`154`	`186`
`20`	`40`	`66`	`98`	`136`	`180`	`230`	`286`	`348`
`50`	`90`	`140`	`200`	`270`	`350`	`440`
`105`	`175`	`260`	`360`	`475`	`605`
`196`	`308`	`441`	`595`	`770`
`336`	`504`	`700`	`924`
`540`	`780`	`1056`
`825`	`1155`
`1210`

A107972 as an upper right triangle

`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`	`55`	`66`
	`6`	`14`	`25`	`39`	`56`	`76`	`99`	`125`	`154`	`186`
		`20`	`40`	`66`	`98`	`136`	`180`	`230`	`286`	`348`
			`50`	`90`	`140`	`200`	`270`	`350`	`440`
				`105`	`175`	`260`	`360`	`475`	`605`
					`196`	`308`	`441`	`595`	`770`
						`336`	`504`	`700`	`924`
							`540`	`780`	`1056`
								`825`	`1155`
									`1210`

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Last modified April 24 08:13 EDT 2024. Contains 371922 sequences. (Running on oeis4.)