id:A087268 - OEIS Search Results

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Solutions to GCD[x,pi[x]]=GCD[x, A000720(x)]=1.

+0
2

1, 2, 3, 5, 7, 9, 11, 12, 13, 17, 18, 19, 21, 23, 25, 26, 28, 29, 31, 32, 34, 35, 36, 37, 41, 42, 43, 45, 47, 49, 52, 53, 55, 57, 59, 60, 61, 65, 67, 68, 69, 70, 71, 73, 74, 76, 79, 81, 83, 84, 85, 86, 87, 88, 89, 91, 95, 97, 98, 99, 101, 103, 104, 106, 107, 109, 110, 111 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`All primes are included.`
	MATHEMATICA	`Flatten[Position[Table[GCD[w, PrimePi[w]], {w, 1, 256}], 1]`
	CROSSREFS	`Cf. A007053, A000720, A087266, A087267, A057809.` `Sequence in context: A069149 A042996 A073040 this_sequence A106765 A061979 A050748` `Adjacent sequences: A087265 A087266 A087267 this_sequence A087269 A087270 A087271`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Sep 16 2003`

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

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