A098539 - OEIS

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A098539 as a triangular array

1

1 1

2 2 1

6 6 4 1

26 26 20 8 1

166 166 140 72 16 1

1626 1626 1460 888 272 32 1

25510 25510 23884 16392 6256 1056 64 1

664666 664666 639156 479736 215696 46816 4160 128 1

29559718 29559718 28895052

A098539 as a square array

`1`	`1`	`2`	`6`	`26`	`166`	`1626`	`25510`	`664666`	`29559718`
`1`	`2`	`6`	`26`	`166`	`1626`	`25510`	`664666`	`29559718`
`1`	`4`	`20`	`140`	`1460`	`23884`	`639156`	`28895052`
`1`	`8`	`72`	`888`	`16392`	`479736`
`1`	`16`	`272`	`6256`	`215696`
`1`	`32`	`1056`	`46816`
`1`	`64`	`4160`
`1`	`128`
`1`

A098539 as an upper right triangle

`1`	`1`	`2`	`6`	`26`	`166`	`1626`	`25510`	`664666`	`29559718`
	`1`	`2`	`6`	`26`	`166`	`1626`	`25510`	`664666`	`29559718`
		`1`	`4`	`20`	`140`	`1460`	`23884`	`639156`	`28895052`
			`1`	`8`	`72`	`888`	`16392`	`479736`
				`1`	`16`	`272`	`6256`	`215696`
					`1`	`32`	`1056`	`46816`
						`1`	`64`	`4160`
							`1`	`128`
								`1`

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Last modified May 27 15:32 EDT 2024. Contains 372868 sequences. (Running on oeis4.)