A280180 - OEIS

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A280180 as a triangular array

0

1 1

0 2 0

3 12 12 3

3 41 60 41 3

9 103 279 279 103 9

15 263 1082 1633 1082 263 15

31 656 3931 8759 8759 3931 656 31

57 1618 13720 43094 63336 43094 13720 1618 57

108 3931 46467 202693 421214 421214 202693 46467

A280180 as a square array

`0`	`1`	`0`	`3`	`3`	`9`	`15`	`31`	`57`	`108`
`1`	`2`	`12`	`41`	`103`	`263`	`656`	`1618`	`3931`
`0`	`12`	`60`	`279`	`1082`	`3931`	`13720`	`46467`
`3`	`41`	`279`	`1633`	`8759`	`43094`	`202693`
`3`	`103`	`1082`	`8759`	`63336`	`421214`
`9`	`263`	`3931`	`43094`	`421214`
`15`	`656`	`13720`	`202693`
`31`	`1618`	`46467`
`57`

A280180 as an upper right triangle

`0`	`1`	`0`	`3`	`3`	`9`	`15`	`31`	`57`	`108`
	`1`	`2`	`12`	`41`	`103`	`263`	`656`	`1618`	`3931`
		`0`	`12`	`60`	`279`	`1082`	`3931`	`13720`	`46467`
			`3`	`41`	`279`	`1633`	`8759`	`43094`	`202693`
				`3`	`103`	`1082`	`8759`	`63336`	`421214`
					`9`	`263`	`3931`	`43094`	`421214`
						`15`	`656`	`13720`	`202693`
							`31`	`1618`	`46467`
								`57`

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Last modified May 14 12:38 EDT 2024. Contains 372533 sequences. (Running on oeis4.)