A180808 Number of distinct solutions of sum{i=1..6}(x(2i-1)*x(2i)) = 1 (mod n), with x() in 0..n-1

0, 12, 153, 1200, 7752, 37264, 158239, 550860, 1766580, 4912624, 13019959, 30966523, 71311499, 150570542, 312748103, 603515488, 1154632937, 2072921406, 3718739870, 6302870939, 10715702976, 17307564420, 28173570885, 43706816100

Offset

1,2

Comments

Column 6 of A180813

Links

R. H. Hardin, Table of n, a(n) for n=1..183

Example

Solutions for sum of products of 6 0..1 pairs = 1 (mod 2) are
(0*0 + 0*0 + 0*0 + 0*0 + 0*0 + 1*1) (0*0 + 0*0 + 0*0 + 0*0 + 0*1 + 1*1)
(0*0 + 0*0 + 0*0 + 0*1 + 0*1 + 1*1) (0*0 + 0*0 + 0*0 + 1*1 + 1*1 + 1*1)
(0*0 + 0*0 + 0*1 + 0*1 + 0*1 + 1*1) (0*0 + 0*0 + 0*1 + 1*1 + 1*1 + 1*1)
(0*0 + 0*1 + 0*1 + 0*1 + 0*1 + 1*1) (0*0 + 0*1 + 0*1 + 1*1 + 1*1 + 1*1)
(0*0 + 1*1 + 1*1 + 1*1 + 1*1 + 1*1) (0*1 + 0*1 + 0*1 + 0*1 + 0*1 + 1*1)
(0*1 + 0*1 + 0*1 + 1*1 + 1*1 + 1*1) (0*1 + 1*1 + 1*1 + 1*1 + 1*1 + 1*1)

Crossrefs

Sequence in context: A351526 A121195 A189490 * A004356 A036360 A120657

Adjacent sequences: A180805 A180806 A180807 * A180809 A180810 A180811

Keyword

nonn

Author

R. H. Hardin, suggested by Max Alekseyev in the Sequence Fans Mailing List, Sep 20 2010

Status

approved