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A180792
Number of distinct solutions of sum{i=1..10}(x(2i-1)*x(2i)) = 1 (mod n), with x() only in 1..n-1
1
0, 0, 26, 744, 18475, 326446, 4292149, 43506488, 354466019, 2391684440, 13770292256, 69044240450, 307750080388, 1235903232638, 4537248102720, 15362780912768, 48489022864600, 143504551536641, 401488209735955
OFFSET
1,3
COMMENTS
Column 10 of A180793
LINKS
CROSSREFS
Sequence in context: A182612 A143900 A282790 * A091742 A160140 A139670
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 20 2010
STATUS
approved