A177888 - OEIS

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A177888 as a triangular array

1

2 1

3 3 1

4 5 7 1

5 7 17 43 1

6 9 31 257 1807 1

7 11 49 871 65537 3263443 1

8 13 71 2209 756031 4294967297 10650056950807 1

9 15 97 4691 4870849 571580604871 18446744073709551617 113423713055421844361000443 1

A177888 as a square array

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`
`1`	`3`	`5`	`7`	`9`	`11`	`13`	`15`
`1`	`7`	`17`	`31`	`49`	`71`	`97`
`1`	`43`	`257`	`871`	`2209`	`4691`
`1`	`1807`	`65537`	`756031`	`4870849`
`1`	`3263443`	`4294967297`	`571580604871`
`1`	`10650056950807`	`18446744073709551617`
`1`	`113423713055421844361000443`
`1`

A177888 as an upper right triangle

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`
	`1`	`3`	`5`	`7`	`9`	`11`	`13`	`15`
		`1`	`7`	`17`	`31`	`49`	`71`	`97`
			`1`	`43`	`257`	`871`	`2209`	`4691`
				`1`	`1807`	`65537`	`756031`	`4870849`
					`1`	`3263443`	`4294967297`	`571580604871`
						`1`	`10650056950807`	`18446744073709551617`
							`1`	`113423713055421844361000443`
								`1`

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Last modified May 20 04:44 EDT 2024. Contains 372703 sequences. (Running on oeis4.)