A228708 - OEIS

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A228708 as a triangular array

0

0 0

0 0 0

1 1 0 0

6 6 2 0 0

27 27 12 3 0 0

110 110 55 19 4 0 0

429 429 229 91 27 5 0 0

1638 1638 912 393 136 36 6 0 0

6188 6188 3549 1614 612 191 46 7 0 0

23256 23256 13636 6447 2601 897 257 57 8 0 0

A228708 as a square array

`0`	`0`	`0`	`1`	`6`	`27`	`110`	`429`	`1638`	`6188`	`23256`
`0`	`0`	`1`	`6`	`27`	`110`	`429`	`1638`	`6188`	`23256`
`0`	`0`	`2`	`12`	`55`	`229`	`912`	`3549`	`13636`
`0`	`0`	`3`	`19`	`91`	`393`	`1614`	`6447`
`0`	`0`	`4`	`27`	`136`	`612`	`2601`
`0`	`0`	`5`	`36`	`191`	`897`
`0`	`0`	`6`	`46`	`257`
`0`	`0`	`7`	`57`
`0`	`0`	`8`
`0`	`0`
`0`

A228708 as an upper right triangle

`0`	`0`	`0`	`1`	`6`	`27`	`110`	`429`	`1638`	`6188`	`23256`
	`0`	`0`	`1`	`6`	`27`	`110`	`429`	`1638`	`6188`	`23256`
		`0`	`0`	`2`	`12`	`55`	`229`	`912`	`3549`	`13636`
			`0`	`0`	`3`	`19`	`91`	`393`	`1614`	`6447`
				`0`	`0`	`4`	`27`	`136`	`612`	`2601`
					`0`	`0`	`5`	`36`	`191`	`897`
						`0`	`0`	`6`	`46`	`257`
							`0`	`0`	`7`	`57`
								`0`	`0`	`8`
									`0`	`0`
										`0`

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