id:A096504 - OEIS Search Results

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Euler-phi applied to A096503 results in these decimal repdigits.

+0
7

1, 1, 2, 2, 4, 2, 6, 4, 6, 4, 4, 6, 8, 8, 6, 8, 22, 8, 8, 22, 66, 44, 88, 44, 88, 66, 44, 88, 88, 222, 88, 88, 222, 444, 444, 888, 888, 444, 888, 888, 888, 888, 888, 888, 444444, 666666, 444444, 888888, 888888, 666666, 888888, 888888, 888888, 888888, 888888 (list; graph; listen)

	OFFSET	`1,3`
	EXAMPLE	`n=88888892, A000010(n)=44444444;` `Regular solutions: if x=repdigit+1 is prime,` `then phi[x]=repdigit.`
	CROSSREFS	`Sequence in context: A077651 A004085 A086296 this_sequence A011773 A080737 A152455` `Adjacent sequences: A096501 A096502 A096503 this_sequence A096505 A096506 A096507`
	KEYWORD	`base,nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Jul 12 2004`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research