A228336 - OEIS

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A228336 as a triangular array

1

1 1

2 2 1

4 6 3 1

10 15 12 4 1

25 45 36 20 5 1

70 126 126 70 30 6 1

196 392 392 280 120 42 7 1

588 1176 1344 960 540 189 56 8 1

1764 3780 4320 3600 2025 945 280 72 9 1

5544 11880 14850 12375 8250 3850 1540 396 90 10 1

A228336 as a square array

`1`	`1`	`2`	`4`	`10`	`25`	`70`	`196`	`588`	`1764`	`5544`
`1`	`2`	`6`	`15`	`45`	`126`	`392`	`1176`	`3780`	`11880`
`1`	`3`	`12`	`36`	`126`	`392`	`1344`	`4320`	`14850`
`1`	`4`	`20`	`70`	`280`	`960`	`3600`	`12375`
`1`	`5`	`30`	`120`	`540`	`2025`	`8250`
`1`	`6`	`42`	`189`	`945`	`3850`
`1`	`7`	`56`	`280`	`1540`
`1`	`8`	`72`	`396`
`1`	`9`	`90`
`1`	`10`
`1`

A228336 as an upper right triangle

`1`	`1`	`2`	`4`	`10`	`25`	`70`	`196`	`588`	`1764`	`5544`
	`1`	`2`	`6`	`15`	`45`	`126`	`392`	`1176`	`3780`	`11880`
		`1`	`3`	`12`	`36`	`126`	`392`	`1344`	`4320`	`14850`
			`1`	`4`	`20`	`70`	`280`	`960`	`3600`	`12375`
				`1`	`5`	`30`	`120`	`540`	`2025`	`8250`
					`1`	`6`	`42`	`189`	`945`	`3850`
						`1`	`7`	`56`	`280`	`1540`
							`1`	`8`	`72`	`396`
								`1`	`9`	`90`
									`1`	`10`
										`1`

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Last modified April 17 22:02 EDT 2024. Contains 371767 sequences. (Running on oeis4.)