A180781 Number of distinct solutions of sum{i=1..10}(x(2i-1)*x(2i)) = 0 (mod n), with x() only in 1..n-1

0, 1, 18, 756, 18478, 327338, 4292145, 43576141, 354466005, 2394458182, 13770292261, 69111228938, 307750080438, 1236998118274, 4537247867399, 15375840213938, 48489022864504, 143625325278096, 401488209736317

Offset

1,3

Comments

Column 10 of A180782

Links

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

Crossrefs

Sequence in context: A295439 A159873 A259458 * A264468 A303991 A033471

Adjacent sequences: A180778 A180779 A180780 * A180782 A180783 A180784

Keyword

nonn

Author

R. H. Hardin Sep 20 2010

Status

approved