A143808 - OEIS

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A143808 as a triangular array

1

1 1

1 2 2

1 2 4 5

1 2 4 10 12

1 2 4 10 24 29

1 2 4 10 24 58 70

1 2 4 10 24 58 140 169

1 2 4 10 24 58 140 338 408

1 2 4 10 24 58 140 338 816 985

A143808 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`
`2`	`4`	`4`	`4`	`4`	`4`	`4`	`4`
`5`	`10`	`10`	`10`	`10`	`10`	`10`
`12`	`24`	`24`	`24`	`24`	`24`
`29`	`58`	`58`	`58`	`58`
`70`	`140`	`140`	`140`
`169`	`338`	`338`
`408`	`816`
`985`

A143808 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`
		`2`	`4`	`4`	`4`	`4`	`4`	`4`	`4`
			`5`	`10`	`10`	`10`	`10`	`10`	`10`
				`12`	`24`	`24`	`24`	`24`	`24`
					`29`	`58`	`58`	`58`	`58`
						`70`	`140`	`140`	`140`
							`169`	`338`	`338`
								`408`	`816`
									`985`

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Last modified April 24 11:49 EDT 2024. Contains 371936 sequences. (Running on oeis4.)