A102756 - OEIS

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A102756 as a triangular array

1

2 1

3 4 2

4 10 10 3

5 20 31 20 5

6 35 76 78 40 8

7 56 161 232 184 76 13

8 84 308 582 636 406 142 21

9 120 546 1296 1831 1604 861 260 34

10 165 912 2640 4630 5215 3820 1766 470 55

A102756 as a square array

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`
`1`	`4`	`10`	`20`	`35`	`56`	`84`	`120`	`165`
`2`	`10`	`31`	`76`	`161`	`308`	`546`	`912`
`3`	`20`	`78`	`232`	`582`	`1296`	`2640`
`5`	`40`	`184`	`636`	`1831`	`4630`
`8`	`76`	`406`	`1604`	`5215`
`13`	`142`	`861`	`3820`
`21`	`260`	`1766`
`34`	`470`
`55`

A102756 as an upper right triangle

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`
	`1`	`4`	`10`	`20`	`35`	`56`	`84`	`120`	`165`
		`2`	`10`	`31`	`76`	`161`	`308`	`546`	`912`
			`3`	`20`	`78`	`232`	`582`	`1296`	`2640`
				`5`	`40`	`184`	`636`	`1831`	`4630`
					`8`	`76`	`406`	`1604`	`5215`
						`13`	`142`	`861`	`3820`
							`21`	`260`	`1766`
								`34`	`470`
									`55`

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Last modified April 23 09:22 EDT 2024. Contains 371905 sequences. (Running on oeis4.)