A221660 - OEIS

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A221660 as a triangular array

1

2 1

4 8 1

8 37 32 1

16 172 323 128 1

32 771 3322 2735 512 1

64 3392 29939 58710 22683 2048 1

128 14569 254682 1016831 989020 185563 8192 1

256 61210 2078316 16705642 33166449 16261308 1503659 32768 1

512 252491

A221660 as a square array

`1`	`2`	`4`	`8`	`16`	`32`	`64`	`128`	`256`	`512`
`1`	`8`	`37`	`172`	`771`	`3392`	`14569`	`61210`	`252491`
`1`	`32`	`323`	`3322`	`29939`	`254682`	`2078316`
`1`	`128`	`2735`	`58710`	`1016831`	`16705642`
`1`	`512`	`22683`	`989020`	`33166449`
`1`	`2048`	`185563`	`16261308`
`1`	`8192`	`1503659`
`1`	`32768`
`1`

A221660 as an upper right triangle

`1`	`2`	`4`	`8`	`16`	`32`	`64`	`128`	`256`	`512`
	`1`	`8`	`37`	`172`	`771`	`3392`	`14569`	`61210`	`252491`
		`1`	`32`	`323`	`3322`	`29939`	`254682`	`2078316`
			`1`	`128`	`2735`	`58710`	`1016831`	`16705642`
				`1`	`512`	`22683`	`989020`	`33166449`
					`1`	`2048`	`185563`	`16261308`
						`1`	`8192`	`1503659`
							`1`	`32768`
								`1`

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Last modified April 19 05:19 EDT 2024. Contains 371782 sequences. (Running on oeis4.)