A007754 - OEIS

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A007754 as a triangular array

1

1 1

1 2 1

1 3 5 2

1 4 11 18 7

1 5 19 52 85 33

1 6 29 110 301 492 191

1 7 41 198 751 2055 3359 1304

1 8 55 322 1555 5898 16139 26380 10241

1 9 71 488 2857 13797 52331 143196 234061 90865

1 10 89 702

A007754 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`
`1`	`5`	`11`	`19`	`29`	`41`	`55`	`71`	`89`
`2`	`18`	`52`	`110`	`198`	`322`	`488`	`702`
`7`	`85`	`301`	`751`	`1555`	`2857`
`33`	`492`	`2055`	`5898`	`13797`
`191`	`3359`	`16139`	`52331`
`1304`	`26380`	`143196`
`10241`	`234061`
`90865`

A007754 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`
		`1`	`5`	`11`	`19`	`29`	`41`	`55`	`71`	`89`
			`2`	`18`	`52`	`110`	`198`	`322`	`488`	`702`
				`7`	`85`	`301`	`751`	`1555`	`2857`
					`33`	`492`	`2055`	`5898`	`13797`
						`191`	`3359`	`16139`	`52331`
							`1304`	`26380`	`143196`
								`10241`	`234061`
									`90865`

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Last modified April 24 07:54 EDT 2024. Contains 371922 sequences. (Running on oeis4.)