A186366 - OEIS

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A186366 as a triangular array

1

1 1

1 3 1

2 7 6 1

5 20 25 10 1

16 70 105 65 15 1

61 287 490 385 140 21 1

272 1356 2548 2345 1120 266 28 1

1385 7248 14698 15204 8715 2772 462 36 1

7936 43280 93420 105880 69405 26985 6090 750 45 1

50521 285571 649715 793210 577225 260337 72765 12210 1155 55 1

A186366 as a square array

`1`	`1`	`1`	`2`	`5`	`16`	`61`	`272`	`1385`	`7936`	`50521`
`1`	`3`	`7`	`20`	`70`	`287`	`1356`	`7248`	`43280`	`285571`
`1`	`6`	`25`	`105`	`490`	`2548`	`14698`	`93420`	`649715`
`1`	`10`	`65`	`385`	`2345`	`15204`	`105880`	`793210`
`1`	`15`	`140`	`1120`	`8715`	`69405`	`577225`
`1`	`21`	`266`	`2772`	`26985`	`260337`
`1`	`28`	`462`	`6090`	`72765`
`1`	`36`	`750`	`12210`
`1`	`45`	`1155`
`1`	`55`
`1`

A186366 as an upper right triangle

`1`	`1`	`1`	`2`	`5`	`16`	`61`	`272`	`1385`	`7936`	`50521`
	`1`	`3`	`7`	`20`	`70`	`287`	`1356`	`7248`	`43280`	`285571`
		`1`	`6`	`25`	`105`	`490`	`2548`	`14698`	`93420`	`649715`
			`1`	`10`	`65`	`385`	`2345`	`15204`	`105880`	`793210`
				`1`	`15`	`140`	`1120`	`8715`	`69405`	`577225`
					`1`	`21`	`266`	`2772`	`26985`	`260337`
						`1`	`28`	`462`	`6090`	`72765`
							`1`	`36`	`750`	`12210`
								`1`	`45`	`1155`
									`1`	`55`
										`1`

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Last modified April 24 08:59 EDT 2024. Contains 371935 sequences. (Running on oeis4.)