OFFSET
1,2
COMMENTS
Column 3 of A180813
LINKS
R. H. Hardin, Table of n, a(n) for n=1..444
EXAMPLE
Solutions for sum of products of 3 0..2 pairs = 1 (mod 3) are
(0*0 + 0*0 + 1*1) (0*0 + 0*0 + 2*2) (0*0 + 0*1 + 1*1) (0*0 + 0*1 + 2*2)
(0*0 + 0*2 + 1*1) (0*0 + 0*2 + 2*2) (0*0 + 1*2 + 1*2) (0*1 + 0*1 + 1*1)
(0*1 + 0*1 + 2*2) (0*1 + 0*2 + 1*1) (0*1 + 0*2 + 2*2) (0*1 + 1*2 + 1*2)
(0*2 + 0*2 + 1*1) (0*2 + 0*2 + 2*2) (0*2 + 1*2 + 1*2) (1*1 + 1*1 + 1*2)
(1*1 + 1*2 + 2*2) (1*2 + 2*2 + 2*2)
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, suggested by Max Alekseyev in the Sequence Fans Mailing List, Sep 20 2010
STATUS
approved