A278896 - OEIS

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A278896 as a triangular array

0

0 0

0 0 0

1 161 161 1

56 12392 52424 12392 56

728 389640 6888340 6888340 389640 728

5328 7709668 518626568 2058210408 518626568 7709668 5328

27876 112188011 27351484380 430110958155 430110958155 27351484380

A278896 as a square array

`0`	`0`	`0`	`1`	`56`	`728`	`5328`	`27876`
`0`	`0`	`161`	`12392`	`389640`	`7709668`	`112188011`
`0`	`161`	`52424`	`6888340`	`518626568`	`27351484380`
`1`	`12392`	`6888340`	`2058210408`	`430110958155`
`56`	`389640`	`518626568`	`430110958155`
`728`	`7709668`	`27351484380`
`5328`

A278896 as an upper right triangle

`0`	`0`	`0`	`1`	`56`	`728`	`5328`	`27876`
	`0`	`0`	`161`	`12392`	`389640`	`7709668`	`112188011`
		`0`	`161`	`52424`	`6888340`	`518626568`	`27351484380`
			`1`	`12392`	`6888340`	`2058210408`	`430110958155`
				`56`	`389640`	`518626568`	`430110958155`
					`728`	`7709668`	`27351484380`
						`5328`

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Last modified April 25 12:33 EDT 2024. Contains 371969 sequences. (Running on oeis4.)