A198715 - OEIS

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A198715 as a triangular array

1

1 1

2 4 2

5 25 25 5

14 172 401 172 14

41 1201 6548 6548 1201 41

122 8404 107042 250031 107042 8404 122

365 58825 1749965 9548295 9548295 1749965 58825 365

1094 411772 28609241 364637102 851787199 364637102

A198715 as a square array

`1`	`1`	`2`	`5`	`14`	`41`	`122`	`365`	`1094`
`1`	`4`	`25`	`172`	`1201`	`8404`	`58825`	`411772`
`2`	`25`	`401`	`6548`	`107042`	`1749965`	`28609241`
`5`	`172`	`6548`	`250031`	`9548295`	`364637102`
`14`	`1201`	`107042`	`9548295`	`851787199`
`41`	`8404`	`1749965`	`364637102`
`122`	`58825`
`365`

A198715 as an upper right triangle

`1`	`1`	`2`	`5`	`14`	`41`	`122`	`365`	`1094`
	`1`	`4`	`25`	`172`	`1201`	`8404`	`58825`	`411772`
		`2`	`25`	`401`	`6548`	`107042`	`1749965`	`28609241`
			`5`	`172`	`6548`	`250031`	`9548295`	`364637102`
				`14`	`1201`	`107042`	`9548295`	`851787199`
					`41`	`8404`	`1749965`	`364637102`
						`122`	`58825`
							`365`

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)