A209556 - OEIS

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A209556 as a triangular array

1

2 1

2 3 1

3 4 4 1

3 8 7 5 1

4 9 17 11 6 1

4 15 22 31 16 7 1

5 16 43 46 51 22 8 1

5 24 50 102 86 78 29 9 1

6 25 86 130 212 148 113 37 10 1

6 35 95 250 296 400 239 157 46 11 1

7 36 150 295 626 610

A209556 as a square array

`1`	`2`	`2`	`3`	`3`	`4`	`4`	`5`	`5`	`6`	`6`	`7`
`1`	`3`	`4`	`8`	`9`	`15`	`16`	`24`	`25`	`35`	`36`
`1`	`4`	`7`	`17`	`22`	`43`	`50`	`86`	`95`	`150`
`1`	`5`	`11`	`31`	`46`	`102`	`130`	`250`	`295`
`1`	`6`	`16`	`51`	`86`	`212`	`296`	`626`
`1`	`7`	`22`	`78`	`148`	`400`	`610`
`1`	`8`	`29`	`113`	`239`
`1`	`9`	`37`	`157`
`1`	`10`	`46`
`1`	`11`
`1`

A209556 as an upper right triangle

`1`	`2`	`2`	`3`	`3`	`4`	`4`	`5`	`5`	`6`	`6`	`7`
	`1`	`3`	`4`	`8`	`9`	`15`	`16`	`24`	`25`	`35`	`36`
		`1`	`4`	`7`	`17`	`22`	`43`	`50`	`86`	`95`	`150`
			`1`	`5`	`11`	`31`	`46`	`102`	`130`	`250`	`295`
				`1`	`6`	`16`	`51`	`86`	`212`	`296`	`626`
					`1`	`7`	`22`	`78`	`148`	`400`	`610`
						`1`	`8`	`29`	`113`	`239`
							`1`	`9`	`37`	`157`
								`1`	`10`	`46`
									`1`	`11`
										`1`

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)