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A165146 Erroneous duplicate version of A181496. 0
1, 1, 2, 5, 14, 42, 136, 459, 1594, 5645, 20280, 73659 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Previous name was: Number of polynomials P(x,y) of degree n with coefficients only 0 or 1 and such that P(x,1-x) = 1.

LINKS

Table of n, a(n) for n=0..11.

CROSSREFS

Sequence in context: A035052 A148330 A149876 * A148331 A052853 A149877

Adjacent sequences:  A165143 A165144 A165145 * A165147 A165148 A165149

KEYWORD

dead

AUTHOR

Hagen von Eitzen, Sep 05 2009

STATUS

approved

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Last modified November 14 03:52 EST 2018. Contains 317159 sequences. (Running on oeis4.)