A087903 - OEIS

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A087903 as a triangular array

1

1 1

1 4 1

1 11 9 1

1 26 48 16 1

1 57 202 140 25 1

1 120 747 916 325 36 1

1 247 2559 5071 3045 651 49 1

1 502 8362 25300 23480 8260 1176 64 1

1 1013 26520 117962 159736 84456 19404 1968 81 1

1 2036 82509 525608 998830 749154 253764 40944 3105 100 1

A087903 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`4`	`11`	`26`	`57`	`120`	`247`	`502`	`1013`	`2036`
`1`	`9`	`48`	`202`	`747`	`2559`	`8362`	`26520`	`82509`
`1`	`16`	`140`	`916`	`5071`	`25300`	`117962`	`525608`
`1`	`25`	`325`	`3045`	`23480`	`159736`	`998830`
`1`	`36`	`651`	`8260`	`84456`	`749154`
`1`	`49`	`1176`	`19404`	`253764`
`1`	`64`	`1968`	`40944`
`1`	`81`	`3105`
`1`	`100`
`1`

A087903 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`4`	`11`	`26`	`57`	`120`	`247`	`502`	`1013`	`2036`
		`1`	`9`	`48`	`202`	`747`	`2559`	`8362`	`26520`	`82509`
			`1`	`16`	`140`	`916`	`5071`	`25300`	`117962`	`525608`
				`1`	`25`	`325`	`3045`	`23480`	`159736`	`998830`
					`1`	`36`	`651`	`8260`	`84456`	`749154`
						`1`	`49`	`1176`	`19404`	`253764`
							`1`	`64`	`1968`	`40944`
								`1`	`81`	`3105`
									`1`	`100`
										`1`

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Last modified April 24 16:34 EDT 2024. Contains 371961 sequences. (Running on oeis4.)