OFFSET
1,5
COMMENTS
Column 2 of A180823.
LINKS
R. H. Hardin, Table of n, a(n) for n=1..999
EXAMPLE
Solutions for sum of products of 2 2..6 pairs = 0 (mod 8) are
(2*2 + 2*2) (2*2 + 2*6) (2*2 + 3*4) (2*2 + 4*5) (2*2 + 6*6) (2*3 + 2*5)
(2*3 + 3*6) (2*4 + 2*4) (2*4 + 4*4) (2*4 + 4*6) (2*5 + 5*6) (2*6 + 2*6)
(2*6 + 3*4) (2*6 + 4*5) (2*6 + 6*6) (3*3 + 3*5) (3*4 + 3*4) (3*4 + 4*5)
(3*4 + 6*6) (3*5 + 5*5) (3*6 + 5*6) (4*4 + 4*4) (4*4 + 4*6) (4*5 + 4*5)
(4*5 + 6*6) (4*6 + 4*6) (6*6 + 6*6)
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 20 2010
STATUS
approved