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Search: id:A105977
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A105977 Near-repdigit primes with 7 as repeated digit. +0
1
277, 577, 677, 727, 757, 773, 787, 797, 877, 977, 1777, 2777, 7177, 7477, 7577, 7717, 7727, 7757, 7877, 47777, 67777, 71777, 76777, 77377, 77477, 77747, 77773, 77797, 77977, 79777, 97777, 727777, 773777, 775777, 777277, 777677, 777737, 777787 (list; graph; listen)
OFFSET

1,1

EXAMPLE

a(2)=577 is a term because all digits are equal to 7 except one.

CROSSREFS

Sequence in context: A142542 A142127 A142831 this_sequence A048525 A154231 A056995

Adjacent sequences: A105974 A105975 A105976 this_sequence A105978 A105979 A105980

KEYWORD

base,nonn

AUTHOR

Shyam Sunder Gupta (guptass(AT)rediffmail.com), Apr 29 2005

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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