A153206 - OEIS

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A153206 as a triangular array

1

1 1

2 1 2

5 2 2 5

15 5 4 5 14

51 15 10 10 14 43

189 51 30 25 28 43 143

748 189 102 75 70 86 143 509

3128 748 378 255 210 215 286 509 1922

13731 3128 1496 945 714 645 715 1018 1922 7651

A153206 as a square array

`1`	`1`	`2`	`5`	`15`	`51`	`189`	`748`	`3128`	`13731`
`1`	`1`	`2`	`5`	`15`	`51`	`189`	`748`	`3128`
`2`	`2`	`4`	`10`	`30`	`102`	`378`	`1496`
`5`	`5`	`10`	`25`	`75`	`255`	`945`
`14`	`14`	`28`	`70`	`210`	`714`
`43`	`43`	`86`	`215`	`645`
`143`	`143`	`286`	`715`
`509`	`509`	`1018`
`1922`	`1922`
`7651`

A153206 as an upper right triangle

`1`	`1`	`2`	`5`	`15`	`51`	`189`	`748`	`3128`	`13731`
	`1`	`1`	`2`	`5`	`15`	`51`	`189`	`748`	`3128`
		`2`	`2`	`4`	`10`	`30`	`102`	`378`	`1496`
			`5`	`5`	`10`	`25`	`75`	`255`	`945`
				`14`	`14`	`28`	`70`	`210`	`714`
					`43`	`43`	`86`	`215`	`645`
						`143`	`143`	`286`	`715`
							`509`	`509`	`1018`
								`1922`	`1922`
									`7651`

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Last modified April 25 12:33 EDT 2024. Contains 371969 sequences. (Running on oeis4.)