id:A072869 - OEIS Search Results

Search: id:A072869

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sigma(sigma(n)-n).

+0
1

1, 1, 4, 1, 12, 1, 8, 7, 15, 1, 31, 1, 18, 13, 24, 1, 32, 1, 36, 12, 24, 1, 91, 12, 31, 14, 56, 1, 96, 1, 32, 24, 42, 14, 72, 1, 36, 18, 93, 1, 120, 1, 90, 48, 42, 1, 140, 15, 44, 32, 72, 1, 144, 18, 127, 24, 63, 1, 280, 1, 54, 42, 104, 20, 168, 1, 90, 40, 114, 1, 168, 1, 90, 57 (list; graph; listen)

	OFFSET	`2,3`
	CROSSREFS	`Sequence in context: A060923 A097877 A019304 this_sequence A064279 A078710 A080303` `Adjacent sequences: A072866 A072867 A072868 this_sequence A072870 A072871 A072872`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Jul 27 2002`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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