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A125203 Number of ways to write n as 4*x*y - x - y with 1<=x<=y. 4
0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 2, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 2, 0, 0, 1, 0, 0, 2, 0, 0, 1, 0, 1, 1, 1, 0, 2, 0, 0, 1, 0, 1, 1, 1, 0, 1, 0, 0, 2, 0, 0, 2, 0, 0, 2, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 2, 0, 0, 2, 1, 0, 1, 0, 0, 1, 2, 0, 1, 0, 0, 2, 0, 1, 1, 0 (list; graph; refs; listen; history; internal format)
OFFSET

1,26

COMMENTS

a(A094178(n))=0; a(A124934(n))>0; a(A125217(n))=1; a(A125218(n))>1.

CROSSREFS

Sequence in context: A101606 A125005 A122179 * A023565 A025922 A161369

Adjacent sequences:  A125200 A125201 A125202 * A125204 A125205 A125206

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 24 2006

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Last modified February 17 04:58 EST 2012. Contains 205985 sequences.