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A096503 Euler-phi of these numbers is a decimal repdigit. 14
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 23, 24, 30, 46, 67, 69, 89, 92, 115, 134, 138, 178, 184, 223, 230, 276, 446, 669, 892, 1043, 1115, 1338, 1341, 1784, 2086, 2230, 2676, 2682, 446669, 666667, 893338, 895043, 902423, 1333334, 1340007, 1786676 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..52.

EXAMPLE

n=88888892, A000010(n)=44444444;

Regular solutions: if x=repdigit+1 is prime,

then phi[x]=repdigit.

CROSSREFS

Sequence in context: A178860 A178858 A117296 * A055238 A100952 A030477

Adjacent sequences:  A096500 A096501 A096502 * A096504 A096505 A096506

KEYWORD

base,nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Jul 12 2004

STATUS

approved

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Last modified May 23 10:42 EDT 2013. Contains 225587 sequences.