A083110 - OEIS

%I #7 Apr 04 2015 21:45:22

%S 1,1,3,1,2,4,1,3,5,9,1,2,3,4,6,1,5,7,11,13,17,1,2,3,4,5,6,8,1,3,5,7,9,

%T 11,13,17,1,2,4,5,7,8,10,11,14,1,3,7,9,11,13,17,19,21,29,1,2,3,4,5,6,

%U 7,8,9,10,12,1,5,7,11,13,17,19,23,25,29,31,37,1,2,3,4,5,6,7,8,9,10,11,12

%N Triangle read by rows in which the n-th row contains lexicographically earliest increasing sequence of n positive integers whose product == -1 (mod n).

%e 1

%e 1 3

%e 1 2 4

%e 1 3 5 9

%e 1 2 3 4 6

%e 1 5 7 11 13 17

%e 1 2 3 4 5 6 8

%e 1 3 5 7 9 11 13 17

%e ...

%Y Cf. A083111, A083112, A083113.

%K nonn,tabl

%O 2,3

%A _Amarnath Murthy_, Apr 22 2003

%E Corrected and extended by Chris Deugau (deugaucj(AT)uvic.ca), Dec 14 2005

%E Definition corrected by _Max Alekseyev_, Jun 18 2011