A120987 - OEIS

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A120987 as a triangular array

1

0 3

0 3 6

0 1 16 10

0 0 15 51 15

0 0 6 90 126 21

0 0 1 77 357 266 28

0 0 0 36 504 1107 504 36

0 0 0 9 414 2304 2907 882 45

0 0 0 1 210 2850 8350 6765 1452 55

0 0 0 0 66 2277 14355 25653 14355 2277 66

0 0 0 0 12

A120987 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`3`	`3`	`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`6`	`16`	`15`	`6`	`1`	`0`	`0`	`0`	`0`	`0`
`10`	`51`	`90`	`77`	`36`	`9`	`1`	`0`	`0`
`15`	`126`	`357`	`504`	`414`	`210`	`66`	`12`
`21`	`266`	`1107`	`2304`	`2850`	`2277`
`28`	`504`	`2907`	`8350`	`14355`
`36`	`882`	`6765`	`25653`
`45`	`1452`	`14355`
`55`	`2277`
`66`

A120987 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`3`	`3`	`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
		`6`	`16`	`15`	`6`	`1`	`0`	`0`	`0`	`0`	`0`
			`10`	`51`	`90`	`77`	`36`	`9`	`1`	`0`	`0`
				`15`	`126`	`357`	`504`	`414`	`210`	`66`	`12`
					`21`	`266`	`1107`	`2304`	`2850`	`2277`
						`28`	`504`	`2907`	`8350`	`14355`
							`36`	`882`	`6765`	`25653`
								`45`	`1452`	`14355`
									`55`	`2277`
										`66`

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Last modified April 25 07:53 EDT 2024. Contains 371964 sequences. (Running on oeis4.)