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A244340
Floor( n^2*log(n) ) mod n.
1
0, 0, 0, 2, 0, 4, 4, 5, 6, 0, 4, 9, 4, 13, 9, 5, 2, 0, 17, 18, 19, 0, 2, 6, 11, 18, 26, 8, 18, 1, 14, 28, 12, 30, 15, 0, 22, 8, 34, 22, 10, 41, 31, 22, 13, 5, 44, 39, 34, 30, 26, 24, 22, 21, 22, 23, 25, 29, 33, 39, 46, 54, 1, 10, 21, 34, 47, 63, 10, 27, 46
OFFSET
1,4
COMMENTS
n for which a(n) is 0: 1, 2, 3, 5, 10, 18, 22, 36, 88, 92, 176, 235, 844, 1481, 1713, 7098, 8140, 19848, ... [Bruno Berselli, Jun 30 2014]
LINKS
MATHEMATICA
Table[Floor[Mod[n^2 Log[n], n]], {n, 100}]
PROG
(Magma) [Floor(n^2*Log(n)) mod n: n in [1..100]];
CROSSREFS
Sequence in context: A078050 A134271 A094403 * A363062 A316987 A228885
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Jun 30 2014
STATUS
approved