OFFSET
1,2
COMMENTS
Appears to contain 2^i * 7^j for i>=1, j>=0. - Robert Israel, Mar 28 2023
LINKS
Robert Israel, Table of n, a(n) for n = 1..544
MAPLE
filter:= n -> 6 &^n + 4 &^ n + 2 &^ n mod n = 0:
select(filter, [$1..10000]); # Robert Israel, Mar 28 2023
MATHEMATICA
Select[ Range[ 15000 ], Mod[ PowerMod[ 6, #, # ] + PowerMod[ 4, #, # ] + PowerMod[ 2, #, # ], # ] == 0 & ]
CROSSREFS
KEYWORD
nonn
AUTHOR
Robert G. Wilson v, Nov 09 2000
STATUS
approved