A152431 - OEIS

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A152431 as a triangular array

1

1 1

2 1 2

6 2 2 5

22 6 4 5 15

92 22 12 10 15 52

426 92 44 30 30 52 203

2146 426 184 110 90 104 203 877

11624 2146 852 460 330 312 406 877 4140

67146 11624 4292 2130 1380 1144 1218 1754 4140 21147

A152431 as a square array

`1`	`1`	`2`	`6`	`22`	`92`	`426`	`2146`	`11624`	`67146`
`1`	`1`	`2`	`6`	`22`	`92`	`426`	`2146`	`11624`
`2`	`2`	`4`	`12`	`44`	`184`	`852`	`4292`
`5`	`5`	`10`	`30`	`110`	`460`	`2130`
`15`	`15`	`30`	`90`	`330`	`1380`
`52`	`52`	`104`	`312`	`1144`
`203`	`203`	`406`	`1218`
`877`	`877`	`1754`
`4140`	`4140`
`21147`

A152431 as an upper right triangle

`1`	`1`	`2`	`6`	`22`	`92`	`426`	`2146`	`11624`	`67146`
	`1`	`1`	`2`	`6`	`22`	`92`	`426`	`2146`	`11624`
		`2`	`2`	`4`	`12`	`44`	`184`	`852`	`4292`
			`5`	`5`	`10`	`30`	`110`	`460`	`2130`
				`15`	`15`	`30`	`90`	`330`	`1380`
					`52`	`52`	`104`	`312`	`1144`
						`203`	`203`	`406`	`1218`
							`877`	`877`	`1754`
								`4140`	`4140`
									`21147`

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)