A096504 - OEIS

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A096504

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

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; refs; listen; history; internal format)

	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 * A011773 A080737 A152455` `Adjacent sequences: A096501 A096502 A096503 * A096505 A096506 A096507`
	KEYWORD	`base,nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Jul 12 2004`

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Last modified February 13 08:12 EST 2012. Contains 205451 sequences.