OFFSET
1,6
COMMENTS
Column 3 of A180823
LINKS
R. H. Hardin, Table of n, a(n) for n=1..444
EXAMPLE
Solutions for sum of products of 3 2..4 pairs = 0 (mod 6) are
(2*2 + 2*2 + 2*2) (2*2 + 2*2 + 4*4) (2*2 + 2*3 + 2*4) (2*2 + 2*4 + 3*4)
(2*2 + 4*4 + 4*4) (2*3 + 2*3 + 2*3) (2*3 + 2*3 + 3*4) (2*3 + 2*4 + 4*4)
(2*3 + 3*3 + 3*3) (2*3 + 3*4 + 3*4) (2*4 + 2*4 + 2*4) (2*4 + 3*4 + 4*4)
(3*3 + 3*3 + 3*4) (3*4 + 3*4 + 3*4) (4*4 + 4*4 + 4*4)
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 20 2010
STATUS
approved