A221828 - OEIS

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A221828 as a triangular array

0

0 0

0 3 0

0 16 14 0

0 73 202 64 0

0 333 2879 2930 292 0

0 1519 40983 115417 41618 1332 0

0 6929 583419 4715043 4755445 592601 6076 0

0 31607 8304016 192788993 570066685 194407111 8434490 27716 0

0 144177

A221828 as a square array

`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`0`	`3`	`16`	`73`	`333`	`1519`	`6929`	`31607`	`144177`
`0`	`14`	`202`	`2879`	`40983`	`583419`	`8304016`
`0`	`64`	`2930`	`115417`	`4715043`	`192788993`
`0`	`292`	`41618`	`4755445`	`570066685`
`0`	`1332`	`592601`	`194407111`
`0`	`6076`	`8434490`
`0`	`27716`
`0`

A221828 as an upper right triangle

`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`0`	`3`	`16`	`73`	`333`	`1519`	`6929`	`31607`	`144177`
		`0`	`14`	`202`	`2879`	`40983`	`583419`	`8304016`
			`0`	`64`	`2930`	`115417`	`4715043`	`192788993`
				`0`	`292`	`41618`	`4755445`	`570066685`
					`0`	`1332`	`592601`	`194407111`
						`0`	`6076`	`8434490`
							`0`	`27716`
								`0`

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Last modified April 24 13:38 EDT 2024. Contains 371957 sequences. (Running on oeis4.)