id:A077088 - OEIS Search Results

Search: id:A077088

Displaying 1-1 of 1 results found.

page 1

a(n)=Phi[Sigma[n]-Phi[n]=A000010[A051612[n]].

+0
1

0, 1, 1, 4, 1, 4, 1, 10, 6, 6, 1, 8, 1, 6, 8, 22, 1, 20, 1, 16, 8, 12, 1, 24, 10, 8, 10, 20, 1, 32, 1, 46, 12, 18, 8, 78, 1, 12, 16, 36, 1, 24, 1, 32, 18, 20, 1, 36, 8, 72, 16, 36, 1, 32, 16, 32, 20, 30, 1, 72, 1, 20, 32, 72, 12, 60, 1, 46, 24, 32, 1, 108, 1, 24, 24, 48, 12, 48, 1, 60 (list; graph; listen)

	OFFSET	`1,4`
	COMMENT	`See iteration in A077090-A077100.`
	EXAMPLE	`a(p)=1 for p primes. otherwise a[n]=even.`
	CROSSREFS	`Cf. A000010, A000203, A051612, A065387, A077090-A077100.` `Sequence in context: A089655 A097936 A050338 this_sequence A156896 A002193 A020807` `Adjacent sequences: A077085 A077086 A077087 this_sequence A077089 A077090 A077091`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Nov 04 2002`

page 1

Search completed in 0.002 seconds

Last modified December 7 08:40 EST 2009. Contains 170430 sequences.

AT&T Labs Research