id:A077665 - OEIS Search Results

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Final term of n-th row of A077664.

+0
3

2, 5, 7, 11, 11, 23, 15, 23, 22, 33, 23, 47, 27, 45, 43, 47, 35, 71, 39, 69, 58, 69, 47, 95, 56, 81, 67, 93, 59, 139, 63, 95, 86, 105, 86, 143, 75, 117, 101, 139, 83, 187, 87, 139, 128, 141, 95, 191, 106, 173, 131, 163, 107, 215, 129, 185, 146, 177, 119, 283, 123, 189 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`a(p) = 2p+1, p is a prime. a(2^n) = 3*2^n -1.` `a(n) also equals the (n+phi(n))th integer from among those positive integers coprime to n, where phi(n) = A000010(n). a(n) also equals n + (the n-th integer from among those positive integers coprime to n) = n + A069213(n). - Leroy Quet (qq-quet(AT)mindspring.com), Apr 12 2007`
	CROSSREFS	`Cf. A077664, A077666.` `Adjacent sequences: A077662 A077663 A077664 this_sequence A077666 A077667 A077668` `Sequence in context: A065219 A013660 A124203 this_sequence A025062 A030498 A079933`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 14 2002`
	EXTENSIONS	`More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Jan 03 2003`

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Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.

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