

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
(list;
graph;
refs;
listen;
history;
text;
internal format)



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

Vincenzo Librandi, Table of n, a(n) for n = 1..1000


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

Cf. A002489, A072631.
Sequence in context: A078050 A134271 A094403 * A316987 A228885 A323910
Adjacent sequences: A244337 A244338 A244339 * A244341 A244342 A244343


KEYWORD

nonn,easy


AUTHOR

Vincenzo Librandi, Jun 30 2014


STATUS

approved



