A217874 - OEIS

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A217874 as a triangular array

1

1 0

1 2 1

1 4 3 0

1 6 9 4 1

1 8 19 16 5 0

1 10 33 44 25 6 1

1 12 51 96 85 36 7 0

1 14 73 180 225 146 49 8 1

1 16 99 304 501 456 231 64 9 0

1 18 129 476 985 1182 833 344 81 10 1

A217874 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`0`	`2`	`4`	`6`	`8`	`10`	`12`	`14`	`16`	`18`
`1`	`3`	`9`	`19`	`33`	`51`	`73`	`99`	`129`
`0`	`4`	`16`	`44`	`96`	`180`	`304`	`476`
`1`	`5`	`25`	`85`	`225`	`501`	`985`
`0`	`6`	`36`	`146`	`456`	`1182`
`1`	`7`	`49`	`231`	`833`
`0`	`8`	`64`	`344`
`1`	`9`	`81`
`0`	`10`
`1`

A217874 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`0`	`2`	`4`	`6`	`8`	`10`	`12`	`14`	`16`	`18`
		`1`	`3`	`9`	`19`	`33`	`51`	`73`	`99`	`129`
			`0`	`4`	`16`	`44`	`96`	`180`	`304`	`476`
				`1`	`5`	`25`	`85`	`225`	`501`	`985`
					`0`	`6`	`36`	`146`	`456`	`1182`
						`1`	`7`	`49`	`231`	`833`
							`0`	`8`	`64`	`344`
								`1`	`9`	`81`
									`0`	`10`
										`1`

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Last modified May 9 10:59 EDT 2024. Contains 372350 sequences. (Running on oeis4.)