A264428 - OEIS

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A264428 as a triangular array

1

0 1

0 1 1

0 2 3 1

0 5 11 6 1

0 15 45 35 10 1

0 52 205 210 85 15 1

0 203 1029 1330 700 175 21 1

0 877 5635 8946 5845 1890 322 28 1

0 4140 33387 63917 50358 20055 4410 546 36 1

0 21147 212535 484140 450905 214515 57855 9240 870 45 1

A264428 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`1`	`2`	`5`	`15`	`52`	`203`	`877`	`4140`	`21147`
`1`	`3`	`11`	`45`	`205`	`1029`	`5635`	`33387`	`212535`
`1`	`6`	`35`	`210`	`1330`	`8946`	`63917`	`484140`
`1`	`10`	`85`	`700`	`5845`	`50358`	`450905`
`1`	`15`	`175`	`1890`	`20055`	`214515`
`1`	`21`	`322`	`4410`	`57855`
`1`	`28`	`546`	`9240`
`1`	`36`	`870`
`1`	`45`
`1`

A264428 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`1`	`2`	`5`	`15`	`52`	`203`	`877`	`4140`	`21147`
		`1`	`3`	`11`	`45`	`205`	`1029`	`5635`	`33387`	`212535`
			`1`	`6`	`35`	`210`	`1330`	`8946`	`63917`	`484140`
				`1`	`10`	`85`	`700`	`5845`	`50358`	`450905`
					`1`	`15`	`175`	`1890`	`20055`	`214515`
						`1`	`21`	`322`	`4410`	`57855`
							`1`	`28`	`546`	`9240`
								`1`	`36`	`870`
									`1`	`45`
										`1`

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Last modified April 16 14:17 EDT 2024. Contains 371740 sequences. (Running on oeis4.)