A220170 Numbers k that divide 5^k + 3^k + 2^k.

1, 2, 5, 25, 38, 85, 125, 625, 722, 2225, 3125, 5825, 13718, 15625, 16502, 51325, 53125, 60625, 78125, 155125, 260642, 313538, 315514, 390625, 739925, 1953125, 4097125, 4952198, 5260202, 5265625, 5931914, 5957222, 9603322, 9765625

Offset

1,2

Links

Zak Seidov, Table of n, a(n) for n = 1..63 (all terms up to 2*10^9)

Mathematica

Select[Range[1000000], Mod[PowerMod[5, #, #] + PowerMod[3, #, #] + PowerMod[2, #, #], #] == 0 &] (* T. D. Noe, Dec 06 2012 *)

Crossrefs

Cf. A045576 (numbers k that divide 3^k + 2^k).

Sequence in context: A009560 A333591 A079434 * A273238 A105647 A045586

Adjacent sequences: A220167 A220168 A220169 * A220171 A220172 A220173

Keyword

nonn

Author

Zak Seidov, Dec 06 2012

Status

approved