A004172 - OEIS

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A004172 as a triangular array

1

0 -1

1 0 1

0 -2 1 0

-3 0 5 0 -3

1 0 17 0 -28 0

14 0 -4 1 0 -155 0

255 0 -126 0 30 0 -5 1

0 2073 0 -3410 0 1683 0 -396 0

55 0 -6 1 0 -38227 0 62881 0 -31031

0 7293 0 -1001 0 91 0 -7 1 0 929569

0

A004172 as a square array

`1`	`0`	`1`	`0`	`-3`	`1`	`14`	`255`	`0`	`55`	`0`	`0`
`-1`	`0`	`-2`	`0`	`0`	`0`	`0`	`2073`	`0`	`7293`
`1`	`1`	`5`	`17`	`-4`	`-126`	`0`	`-6`	`0`
`0`	`0`	`0`	`1`	`0`	`-3410`	`1`	`-1001`
`-3`	`-28`	`0`	`30`	`0`	`0`	`0`
`0`	`-155`	`0`	`1683`	`-38227`	`91`
`0`	`-5`	`0`	`0`	`0`
`1`	`-396`	`62881`	`-7`
`0`	`0`	`1`
`-31031`	`0`
`929569`

A004172 as an upper right triangle

`1`	`0`	`1`	`0`	`-3`	`1`	`14`	`255`	`0`	`55`	`0`	`0`
	`-1`	`0`	`-2`	`0`	`0`	`0`	`0`	`2073`	`0`	`7293`
		`1`	`1`	`5`	`17`	`-4`	`-126`	`0`	`-6`	`0`
			`0`	`0`	`0`	`1`	`0`	`-3410`	`1`	`-1001`
				`-3`	`-28`	`0`	`30`	`0`	`0`	`0`
					`0`	`-155`	`0`	`1683`	`-38227`	`91`
						`0`	`-5`	`0`	`0`	`0`
							`1`	`-396`	`62881`	`-7`
								`0`	`0`	`1`
									`-31031`	`0`
										`929569`

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Last modified April 24 04:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)