A117696 - 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.

A117696

Primes in sequence a(1)=2, a(n+1)=2^a(n)-3^(n-1).

2, 3, 5, 23, 8388581 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	LINKS	`Table of n, a(n) for n=1..5.`
	FORMULA	`a(1)=2, a(n+1)=2^a(n)-3^(n-1)`
	EXAMPLE	`a(1)=2, a(2)=2^a(1)-3^0=2^2-3^0=3`
	CROSSREFS	`Cf. A075883.` `Sequence in context: A053708 A137070 A084730 * A256463 A279864 A324289` `Adjacent sequences: A117693 A117694 A117695 * A117697 A117698 A117699`
	KEYWORD	`hard,nonn`
	AUTHOR	`Parviz Afereidoon (afereidoon(AT)gmail.com), Apr 13 2006`
	STATUS	`approved`

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 13 17:28 EDT 2024. Contains 372522 sequences. (Running on oeis4.)