|
| |
|
|
A138617
|
|
a(n) = 7^n mod 3^n.
|
|
0
|
|
|
|
0, 1, 4, 19, 52, 40, 280, 1231, 4243, 3457, 43882, 11929, 437797, 407374, 2851618, 10395388, 1023181, 7162267, 50135869, 738371572, 1681816603, 1312363018, 9186541126, 1543668664, 104948859475, 452212479844, 2318198749465, 6059927932939, 4291508105638, 30040556739466
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,3
|
|
|
LINKS
|
|
|
|
PROG
|
(Sage) [power_mod(7, n, 3^n)for n in range(0, 30)] # Zerinvary Lajos, Nov 28 2009
(PARI) a(n) = if (n, lift(Mod(7, 3^n)^n), 0); \\ Michel Marcus, Feb 20 2018
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
