A103953 - OEIS

The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.

The OEIS is supported by the many generous donors to the OEIS Foundation.

A103953

Smallest perfect power b^e such that b^e+n is also a perfect power, or 0 if no such perfect power exists.

8, 25, 1, 4, 4, 0, 1, 1, 16, 2187, 16, 4, 36, 0, 1, 9, 8, 9, 8, 16, 4, 27, 4, 1, 100, 1, 9, 4, 196, 6859, 1, 4, 16, 0, 1, 64, 27, 1331, 25, 9, 8, 0, 441, 81, 4, 243, 81, 1, 32, 0, 49, 144, 676, 27, 9, 8, 64, 0, 841, 4, 64, 0, 1, 36, 16, 0, 1089 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`a(A074981(n)) = 0.`
	LINKS	`Table of n, a(n) for n=1..67.`
	FORMULA	`a(n) = A074954(n)-n, if A074954(n)>0; a(n)=0, if A074954(n)=0.`
	CROSSREFS	`Cf. A074954, A001597, A076444, A023056.` `Sequence in context: A274303 A132586 A208400 * A076444 A023056 A103954` `Adjacent sequences: A103950 A103951 A103952 * A103954 A103955 A103956`
	KEYWORD	`nonn`
	AUTHOR	`Max Alekseyev, Feb 22 2005`
	EXTENSIONS	`Offset corrected by Mohammed Yaseen, Aug 09 2023`
	STATUS	`approved`

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 8 03:40 EDT 2024. Contains 373207 sequences. (Running on oeis4.)