A107893 - OEIS

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A107893 as a triangular array

1

2 1

3 4 2

4 11 14 6

5 26 64 66 24

6 57 244 456 384 120

7 120 846 2556 3744 2640 720

8 247 2778 12762 28944 34560 20880 5040

9 502 8828 59382 195768 352080 353520 186480 40320

10 1013 27488 264012 1216368 3091320 4587120 3966480 1854720 362880

A107893 as a square array

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`
`1`	`4`	`11`	`26`	`57`	`120`	`247`	`502`	`1013`
`2`	`14`	`64`	`244`	`846`	`2778`	`8828`	`27488`
`6`	`66`	`456`	`2556`	`12762`	`59382`	`264012`
`24`	`384`	`3744`	`28944`	`195768`	`1216368`
`120`	`2640`	`34560`	`352080`	`3091320`
`720`	`20880`	`353520`	`4587120`
`5040`	`186480`	`3966480`
`40320`	`1854720`
`362880`

A107893 as an upper right triangle

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`
	`1`	`4`	`11`	`26`	`57`	`120`	`247`	`502`	`1013`
		`2`	`14`	`64`	`244`	`846`	`2778`	`8828`	`27488`
			`6`	`66`	`456`	`2556`	`12762`	`59382`	`264012`
				`24`	`384`	`3744`	`28944`	`195768`	`1216368`
					`120`	`2640`	`34560`	`352080`	`3091320`
						`720`	`20880`	`353520`	`4587120`
							`5040`	`186480`	`3966480`
								`40320`	`1854720`
									`362880`

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Last modified July 13 09:13 EDT 2024. Contains 374274 sequences. (Running on oeis4.)