A210220 - OEIS

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A210220 as a triangular array

1

2 2

3 6 3

4 12 13 4

5 20 34 24 5

6 30 70 80 40 6

7 42 125 200 166 62 7

8 56 203 420 496 314 91 8

9 72 308 784 1211 1106 553 128 9

10 90 444 1344 2576 3108 2269 920 174 10

11 110 615 2160 4956 7476 7274 4352 1461 230 11

A210220 as a square array

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`
`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`	`110`
`3`	`13`	`34`	`70`	`125`	`203`	`308`	`444`	`615`
`4`	`24`	`80`	`200`	`420`	`784`	`1344`	`2160`
`5`	`40`	`166`	`496`	`1211`	`2576`	`4956`
`6`	`62`	`314`	`1106`	`3108`	`7476`
`7`	`91`	`553`	`2269`	`7274`
`8`	`128`	`920`	`4352`
`9`	`174`	`1461`
`10`	`230`
`11`

A210220 as an upper right triangle

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`
	`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`	`110`
		`3`	`13`	`34`	`70`	`125`	`203`	`308`	`444`	`615`
			`4`	`24`	`80`	`200`	`420`	`784`	`1344`	`2160`
				`5`	`40`	`166`	`496`	`1211`	`2576`	`4956`
					`6`	`62`	`314`	`1106`	`3108`	`7476`
						`7`	`91`	`553`	`2269`	`7274`
							`8`	`128`	`920`	`4352`
								`9`	`174`	`1461`
									`10`	`230`
										`11`

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Last modified April 17 23:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)