id:A115916 - OEIS Search Results

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Numbers n such that sigma(n)+phi(n) is a brilliant number (A078972).

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4

2, 3, 4, 5, 6, 7, 128, 144, 400, 576, 1296, 8100, 11664, 13225, 15129, 34969, 40000, 44944, 55112, 60025, 63368, 67712, 69938, 91809, 103058, 135424, 157922, 203401, 861184, 1034289, 1258884, 1270418, 1435204, 1440000, 1575025 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`sigma(55112)+phi(55112)=131819=193*683.`
	CROSSREFS	`Cf. A078972, A115914, A115915.` `Sequence in context: A037334 A037441 A004869 this_sequence A065667 A099146 A073789` `Adjacent sequences: A115913 A115914 A115915 this_sequence A115917 A115918 A115919`
	KEYWORD	`nonn,base`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 06 2006`

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.

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