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Search: id:A116027
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A116027 n + phi(n) + phi(phi(n)) is a repdigit. +0
1
1, 2, 3, 4, 5, 6, 14, 23, 28, 45, 51, 55, 56, 63, 161, 189, 275, 543, 567, 1373, 13499, 13642, 25963, 27284, 54568, 135347, 138587, 304779, 1296346, 2592692, 5185384 (list; graph; listen)
OFFSET

1,2
EXAMPLE

5185384 + phi(5185384) + phi(phi(5185384)) = 8888888.

CROSSREFS

Cf. A116018.

Sequence in context: A039016 A084830 A116044 this_sequence A085157 A065637 A039061

Adjacent sequences: A116024 A116025 A116026 this_sequence A116028 A116029 A116030

KEYWORD

nonn,base

AUTHOR

Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 13 2006

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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