A220993 - OEIS

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A220993 as a triangular array

1

2 1

4 10 1

7 44 35 1

12 168 324 132 1

21 642 2899 2456 497 1

37 2463 23895 48800 18606 1881 1

65 9454 193052 826251 781249 141464 7102 1

114 36363 1550909 13696660 26731299 12552490 1073265 26812 1

200 139880

A220993 as a square array

`1`	`2`	`4`	`7`	`12`	`21`	`37`	`65`	`114`	`200`
`1`	`10`	`44`	`168`	`642`	`2463`	`9454`	`36363`	`139880`
`1`	`35`	`324`	`2899`	`23895`	`193052`	`1550909`
`1`	`132`	`2456`	`48800`	`826251`	`13696660`
`1`	`497`	`18606`	`781249`	`26731299`
`1`	`1881`	`141464`	`12552490`
`1`	`7102`	`1073265`
`1`	`26812`
`1`

A220993 as an upper right triangle

`1`	`2`	`4`	`7`	`12`	`21`	`37`	`65`	`114`	`200`
	`1`	`10`	`44`	`168`	`642`	`2463`	`9454`	`36363`	`139880`
		`1`	`35`	`324`	`2899`	`23895`	`193052`	`1550909`
			`1`	`132`	`2456`	`48800`	`826251`	`13696660`
				`1`	`497`	`18606`	`781249`	`26731299`
					`1`	`1881`	`141464`	`12552490`
						`1`	`7102`	`1073265`
							`1`	`26812`
								`1`

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)