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A057298 Numbers n such that n | 7^n + 6^n + 1. 0
1, 2, 7, 35, 49, 86, 343, 539, 1309, 1715, 2195, 2401, 3698, 3941, 4753, 5047, 6077, 8869, 9374, 16807, 84035, 117649, 121079, 131219, 159014, 227642, 235426, 276115, 446299, 823543, 991613 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

MATHEMATICA

Select[ Range[ 10^6 ], Mod[ PowerMod[ 7, #, # ] + PowerMod[ 6, #, # ] + 1, # ] == 0 & ]

CROSSREFS

Sequence in context: A110313 A000944 A136310 * A058941 A020066 A024719

Adjacent sequences:  A057295 A057296 A057297 * A057299 A057300 A057301

KEYWORD

nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Sep 22 2000

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Last modified February 14 19:37 EST 2012. Contains 205663 sequences.