A107981 - OEIS

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A107981 as a triangular array

1

6 10

20 40 50

50 110 155 175

105 245 371 455 490

196 476 756 980 1120 1176

336 840 1380 1860 2220 2436 2520

540 1380 2325 3225 3975 4515 4830 4950

825 2145 3685 5225 6600 7700 8470 8910 9075

1210 3190

A107981 as a square array

`1`	`6`	`20`	`50`	`105`	`196`	`336`	`540`	`825`	`1210`
`10`	`40`	`110`	`245`	`476`	`840`	`1380`	`2145`	`3190`
`50`	`155`	`371`	`756`	`1380`	`2325`	`3685`
`175`	`455`	`980`	`1860`	`3225`	`5225`
`490`	`1120`	`2220`	`3975`	`6600`
`1176`	`2436`	`4515`	`7700`
`2520`	`4830`	`8470`
`4950`	`8910`
`9075`

A107981 as an upper right triangle

`1`	`6`	`20`	`50`	`105`	`196`	`336`	`540`	`825`	`1210`
	`10`	`40`	`110`	`245`	`476`	`840`	`1380`	`2145`	`3190`
		`50`	`155`	`371`	`756`	`1380`	`2325`	`3685`
			`175`	`455`	`980`	`1860`	`3225`	`5225`
				`490`	`1120`	`2220`	`3975`	`6600`
					`1176`	`2436`	`4515`	`7700`
						`2520`	`4830`	`8470`
							`4950`	`8910`
								`9075`

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Last modified April 25 15:00 EDT 2024. Contains 371989 sequences. (Running on oeis4.)