A180049 - OEIS

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A180049 as a triangular array

1

0 1

3 0 1

0 7 0 1

15 0 12 0 1

0 57 0 18 0 1

105 0 141 0 25 0 1

0 561 0 285 0 33 0 1

945 0 1830 0 510 0 42 0 1

0 6555 0 4680 0 840 0 52 0 1

10395 0 26685 0 10290 0 1302 0 63 0 1

0 89055 0 82845 0 20370 0 1926 0 75 0 1

A180049 as a square array

`1`	`0`	`3`	`0`	`15`	`0`	`105`	`0`	`945`	`0`	`10395`	`0`
`1`	`0`	`7`	`0`	`57`	`0`	`561`	`0`	`6555`	`0`	`89055`
`1`	`0`	`12`	`0`	`141`	`0`	`1830`	`0`	`26685`	`0`
`1`	`0`	`18`	`0`	`285`	`0`	`4680`	`0`	`82845`
`1`	`0`	`25`	`0`	`510`	`0`	`10290`	`0`
`1`	`0`	`33`	`0`	`840`	`0`	`20370`
`1`	`0`	`42`	`0`	`1302`	`0`
`1`	`0`	`52`	`0`	`1926`
`1`	`0`	`63`	`0`
`1`	`0`	`75`
`1`	`0`
`1`

A180049 as an upper right triangle

`1`	`0`	`3`	`0`	`15`	`0`	`105`	`0`	`945`	`0`	`10395`	`0`
	`1`	`0`	`7`	`0`	`57`	`0`	`561`	`0`	`6555`	`0`	`89055`
		`1`	`0`	`12`	`0`	`141`	`0`	`1830`	`0`	`26685`	`0`
			`1`	`0`	`18`	`0`	`285`	`0`	`4680`	`0`	`82845`
				`1`	`0`	`25`	`0`	`510`	`0`	`10290`	`0`
					`1`	`0`	`33`	`0`	`840`	`0`	`20370`
						`1`	`0`	`42`	`0`	`1302`	`0`
							`1`	`0`	`52`	`0`	`1926`
								`1`	`0`	`63`	`0`
									`1`	`0`	`75`
										`1`	`0`
											`1`

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Last modified May 8 13:24 EDT 2024. Contains 372333 sequences. (Running on oeis4.)