id:A037035 - OEIS Search Results

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Least k such that 2^n+1+k is a prime.

+0
2

0, 0, 0, 2, 0, 4, 2, 2, 0, 8, 6, 4, 2, 16, 26, 2, 0, 28, 2, 20, 6, 16, 14, 8, 42, 34, 14, 28, 2, 10, 2, 10, 14, 16, 24, 52, 30, 8, 6, 22, 14, 26, 14, 28, 6, 58, 14, 4, 20, 68, 54, 20, 20, 4, 158, 2, 80, 8, 68, 130, 32, 14, 134, 28, 12, 130, 8, 2, 32, 28, 24, 10, 14, 28, 36, 32, 14 (list; graph; listen)

	OFFSET	`0,4`
	EXAMPLE	`a(5)=4 because 2^5+1+4=37 that is a prime.`
	CROSSREFS	`Cf. A016014.` `A013597(n) - 1.` `Adjacent sequences: A037032 A037033 A037034 this_sequence A037036 A037037 A037038` `Sequence in context: A008797 A109468 A081880 this_sequence A112824 A001100 A136265`
	KEYWORD	`nonn`
	AUTHOR	`Felice Russo (felice.russo(AT)katamail.com)`
	EXTENSIONS	`More terms from Erich Friedman (erich.friedman(AT)stetson.edu)`

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Last modified May 11 10:28 EDT 2008. Contains 139662 sequences.

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