id:A037170 - OEIS Search Results

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Numbers n such that n = pi(n) + phi(n), where pi = A000720, phi = A000010.

+0
3

1, 2, 4, 8, 27, 35, 215, 235, 2611, 65113, 174647, 1301317, 1302509, 5021647, 10885081, 36319939, 70112131, 70113559, 325575773 (list; graph; listen)

	OFFSET	`1,2`
	MATHEMATICA	`primeCount = 0; For[ i = 1, i == i, i++, If[ PrimeQ[ i ], primeCount++ ]; If[ i - EulerPhi[ i ] == primeCount, Print[ i ] ] ]`
	CROSSREFS	`Sequence in context: A066535 A000643 A112285 this_sequence A006399 A056800 A034919` `Adjacent sequences: A037167 A037168 A037169 this_sequence A037171 A037172 A037173`
	KEYWORD	`nonn`
	AUTHOR	`Naohiro Nomoto (6284968128(AT)geocities.co.jp)`
	EXTENSIONS	`More terms from Alex Healy (ahealy(AT)fas.harvard.edu), Mar 17 2001`

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Last modified July 25 02:12 EDT 2008. Contains 142294 sequences.

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