A011117 - OEIS

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A011117 as a triangular array

1

1 1

1 2 3

1 3 7 11

1 4 12 28 45

1 5 18 52 121 197

1 6 25 84 237 550 903

1 7 33 125 403 1119 2591 4279

1 8 42 176 630 1976 5424 12536 20793

1 9 52 238 930 3206 9860 26832 61921 103049

1 10 63

A011117 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`
`3`	`7`	`12`	`18`	`25`	`33`	`42`	`52`	`63`
`11`	`28`	`52`	`84`	`125`	`176`	`238`
`45`	`121`	`237`	`403`	`630`	`930`
`197`	`550`	`1119`	`1976`	`3206`
`903`	`2591`	`5424`	`9860`
`4279`	`12536`	`26832`
`20793`	`61921`
`103049`

A011117 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`
		`3`	`7`	`12`	`18`	`25`	`33`	`42`	`52`	`63`
			`11`	`28`	`52`	`84`	`125`	`176`	`238`
				`45`	`121`	`237`	`403`	`630`	`930`
					`197`	`550`	`1119`	`1976`	`3206`
						`903`	`2591`	`5424`	`9860`
							`4279`	`12536`	`26832`
								`20793`	`61921`
									`103049`

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Last modified May 18 23:43 EDT 2024. Contains 372666 sequences. (Running on oeis4.)