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A128903 Number of degree n polynomials over GF(2) (with nonzero constant term) at Hamming distance 3 from some irreducible polynomial. 0
0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 2, 4, 16, 48, 83, 168, 334, 805, 1475, 3426, 6864, 14146, 29372, 62266, 125674, 125674, 261896, 532460, 1078877, 2208745, 4491454, 9098537, 18615362 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,11

LINKS

Table of n, a(n) for n=1..33.

G. Lee, F. Ruskey and A. Williams, Hamming distance from irreducible polynomials over GF(2)

CROSSREFS

Sequence in context: A148280 A112638 A077162 * A103435 A119000 A034917

Adjacent sequences:  A128900 A128901 A128902 * A128904 A128905 A128906

KEYWORD

nonn

AUTHOR

Frank Ruskey, Apr 22 2007

STATUS

approved

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Last modified July 8 08:08 EDT 2020. Contains 335520 sequences. (Running on oeis4.)