A256890 - OEIS

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A256890 as a triangular array

1

2 2

4 12 4

8 52 52 8

16 196 416 196 16

32 684 2644 2644 684 32

64 2276 14680 26440 14680 2276 64

128 7340 74652 220280 220280 74652 7340 128

256 23172 357328 1623964 2643360 1623964 357328 23172 256

512 72076 1637860 10978444 27227908 27227908 10978444 1637860 72076 512

A256890 as a square array

`1`	`2`	`4`	`8`	`16`	`32`	`64`	`128`	`256`	`512`
`2`	`12`	`52`	`196`	`684`	`2276`	`7340`	`23172`	`72076`
`4`	`52`	`416`	`2644`	`14680`	`74652`	`357328`	`1637860`
`8`	`196`	`2644`	`26440`	`220280`	`1623964`	`10978444`
`16`	`684`	`14680`	`220280`	`2643360`	`27227908`
`32`	`2276`	`74652`	`1623964`	`27227908`
`64`	`7340`	`357328`	`10978444`
`128`	`23172`	`1637860`
`256`	`72076`
`512`

A256890 as an upper right triangle

`1`	`2`	`4`	`8`	`16`	`32`	`64`	`128`	`256`	`512`
	`2`	`12`	`52`	`196`	`684`	`2276`	`7340`	`23172`	`72076`
		`4`	`52`	`416`	`2644`	`14680`	`74652`	`357328`	`1637860`
			`8`	`196`	`2644`	`26440`	`220280`	`1623964`	`10978444`
				`16`	`684`	`14680`	`220280`	`2643360`	`27227908`
					`32`	`2276`	`74652`	`1623964`	`27227908`
						`64`	`7340`	`357328`	`10978444`
							`128`	`23172`	`1637860`
								`256`	`72076`
									`512`

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