A107983 - OEIS

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A107983 as a triangular array

1

6 4

20 20 10

50 60 45 20

105 140 126 84 35

196 280 280 224 140 56

336 504 540 480 360 216 84

540 840 945 900 750 540 315 120

825 1320 1540 1540 1375 1100 770 440 165

1210 1980 2376 2464 2310 1980 1540

A107983 as a square array

`1`	`6`	`20`	`50`	`105`	`196`	`336`	`540`	`825`	`1210`
`4`	`20`	`60`	`140`	`280`	`504`	`840`	`1320`	`1980`
`10`	`45`	`126`	`280`	`540`	`945`	`1540`	`2376`
`20`	`84`	`224`	`480`	`900`	`1540`	`2464`
`35`	`140`	`360`	`750`	`1375`	`2310`
`56`	`216`	`540`	`1100`	`1980`
`84`	`315`	`770`	`1540`
`120`	`440`
`165`

A107983 as an upper right triangle

`1`	`6`	`20`	`50`	`105`	`196`	`336`	`540`	`825`	`1210`
	`4`	`20`	`60`	`140`	`280`	`504`	`840`	`1320`	`1980`
		`10`	`45`	`126`	`280`	`540`	`945`	`1540`	`2376`
			`20`	`84`	`224`	`480`	`900`	`1540`	`2464`
				`35`	`140`	`360`	`750`	`1375`	`2310`
					`56`	`216`	`540`	`1100`	`1980`
						`84`	`315`	`770`	`1540`
							`120`	`440`
								`165`

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)