A172004 - OEIS

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A172004 as a triangular array

1

1 3

4 3 9

15 15 9 24

47 59 47 24 61

136 195 195 136 61 145

360 580 663 580 360 145 333

904 1586 2032 2032 1586 904 333 732

2152 4077 5684 6350 5684 4077 2152 732 1565

4927 9948 14938 18123 18123 14938 9948

A172004 as a square array

`1`	`1`	`4`	`15`	`47`	`136`	`360`	`904`	`2152`	`4927`
`3`	`3`	`15`	`59`	`195`	`580`	`1586`	`4077`	`9948`
`9`	`9`	`47`	`195`	`663`	`2032`	`5684`	`14938`
`24`	`24`	`136`	`580`	`2032`	`6350`	`18123`
`61`	`61`	`360`	`1586`	`5684`	`18123`
`145`	`145`	`904`	`4077`	`14938`
`333`	`333`	`2152`	`9948`
`732`	`732`
`1565`

A172004 as an upper right triangle

`1`	`1`	`4`	`15`	`47`	`136`	`360`	`904`	`2152`	`4927`
	`3`	`3`	`15`	`59`	`195`	`580`	`1586`	`4077`	`9948`
		`9`	`9`	`47`	`195`	`663`	`2032`	`5684`	`14938`
			`24`	`24`	`136`	`580`	`2032`	`6350`	`18123`
				`61`	`61`	`360`	`1586`	`5684`	`18123`
					`145`	`145`	`904`	`4077`	`14938`
						`333`	`333`	`2152`	`9948`
							`732`	`732`
								`1565`

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Last modified July 5 05:08 EDT 2024. Contains 374018 sequences. (Running on oeis4.)