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Search: id:A096505
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A096505 Primes of [1+repdigit] form. Primes whose totient is repdigit. +0
6
3, 5, 7, 23, 67, 89, 223, 666667, 22222223, 66666667, 666666667, 22222222223, 66666666667, 88888888888889, 88888888888888889, 66666666666666666667, 66666666666666666666667, 88888888888888888888888888888888889 (list; graph; listen)
OFFSET

1,1

EXAMPLE

n=89 prime, its totirent=88 is a decimal repdigit.

CROSSREFS

Cf. A096503, A096504, A000010.

Sequence in context: A038916 A019363 A120384 this_sequence A141802 A029846 A108313

Adjacent sequences: A096502 A096503 A096504 this_sequence A096506 A096507 A096508

KEYWORD

base,nonn

AUTHOR

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

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Last modified December 5 08:23 EST 2009. Contains 170348 sequences.


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