id:A136040 - OEIS Search Results

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Classes of the phi iteration for which the smallest number is prime.

+0
3

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 14, 16, 17, 19, 21, 22, 25, 26, 29, 31, 41, 49, 51, 52, 55, 58, 59, 60, 63, 65, 66, 67, 69, 71, 74, 77, 79, 81, 82, 87, 89, 108, 109, 113, 114, 116, 119, 122, 124, 127, 129, 130, 136, 137, 142, 143, 145, 147, 148, 151, 154, 158, 159, 161, 162, 163 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Rows of A058812 which begin with a prime. The actual primes are in A092873, which is A007755(n+2) for the n in this sequence.`
	REFERENCES	`Harold Shapiro, An arithmetic function arising from the phi function, Amer. Math. Monthly, Vol. 50, No. 1 (1943), 18-30.`
	LINKS	`T. D. Noe, Table of n, a(n) for n=1..288`
	CROSSREFS	`Sequence in context: A108155 A134932 A134933 this_sequence A117923 A117924 A140335` `Adjacent sequences: A136037 A136038 A136039 this_sequence A136041 A136042 A136043`
	KEYWORD	`nonn`
	AUTHOR	`T. D. Noe (noe(AT)sspectra.com), Dec 12 2007`
	EXTENSIONS	`Added 63 and 159. - T. D. Noe (noe(AT)sspectra.com), Nov 18 2008`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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