id:A116028 - OEIS Search Results

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n + sigma(n) + sigma(sigma(n)) is a repdigit.

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1, 2, 15, 25, 119, 157, 2413, 2623, 8415, 14962, 18303, 66078, 1031747 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`1031747 + sigma(1031747) + sigma(sigma(1031747)) = 5555555.`
	CROSSREFS	`Cf. A116017.` `Sequence in context: A153711 A116049 A023651 this_sequence A153080 A075312 A128828` `Adjacent sequences: A116025 A116026 A116027 this_sequence A116029 A116030 A116031`
	KEYWORD	`nonn,base`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 13 2006`

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.