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A333414
Positive integers k such that k divides 17^k + 2.
1
1, 19, 35, 115, 44095, 211117, 14376053, 43472060395, 561558718915, 2182879071661
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OFFSET
1,2
COMMENTS
a(8) > 10^10.
a(11) > 4*10^12. 
Giovanni Resta
, Mar 22 2020
LINKS
Table of n, a(n) for n=1..10.
PROG
(PARI) for(k=1, 1e6, if(Mod(17, k)^k==2, print1(k", ")))
CROSSREFS
Solutions to b^n == 2 (mod n):
A015973
(b=3),
A123062
(b=5),
A277370
(b=7),
A333413
(b=13), this sequence (b=17).
Cf.
A333269
.
Sequence in context:
A044064
A044445
A166055
*
A146579
A146454
A186405
Adjacent sequences:
A333411
A333412
A333413
*
A333415
A333416
A333417
KEYWORD
nonn
,
more
AUTHOR
Seiichi Manyama
, Mar 20 2020
EXTENSIONS
a(8)a(10) from
Giovanni Resta
, Mar 22 2020
STATUS
approved
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Last modified May 18 16:58 EDT 2024. Contains 372664 sequences. (Running on oeis4.)