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, 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

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