A113988 - OEIS

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A113988 as a triangular array

1

2 1

4 4 1

8 12 6 1

18 36 26 8 1

46 116 108 46 10 1

136 416 468 248 72 12 1

464 1680 2194 1366 480 104 14 1

1818 7656 11294 7976 3222 828 142 16 1

8122 39256 64152 50186 22590 6568 1316 186 18 1

A113988 as a square array

`1`	`2`	`4`	`8`	`18`	`46`	`136`	`464`	`1818`	`8122`
`1`	`4`	`12`	`36`	`116`	`416`	`1680`	`7656`	`39256`
`1`	`6`	`26`	`108`	`468`	`2194`	`11294`	`64152`
`1`	`8`	`46`	`248`	`1366`	`7976`	`50186`
`1`	`10`	`72`	`480`	`3222`	`22590`
`1`	`12`	`104`	`828`	`6568`
`1`	`14`	`142`	`1316`
`1`	`16`	`186`
`1`	`18`
`1`

A113988 as an upper right triangle

`1`	`2`	`4`	`8`	`18`	`46`	`136`	`464`	`1818`	`8122`
	`1`	`4`	`12`	`36`	`116`	`416`	`1680`	`7656`	`39256`
		`1`	`6`	`26`	`108`	`468`	`2194`	`11294`	`64152`
			`1`	`8`	`46`	`248`	`1366`	`7976`	`50186`
				`1`	`10`	`72`	`480`	`3222`	`22590`
					`1`	`12`	`104`	`828`	`6568`
						`1`	`14`	`142`	`1316`
							`1`	`16`	`186`
								`1`	`18`
									`1`

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Last modified June 5 14:10 EDT 2024. Contains 373105 sequences. (Running on oeis4.)