Number of degree n polynomials over GF(2) (with nonzero constant term) at Hamming distance 3 from some irreducible polynomial.

A128903

Number of degree n polynomials over GF(2) (with nonzero constant term) at Hamming distance 3 from some irreducible polynomial.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =1a(8) =0a(9) =1a(10) =2a(11) =4a(12) =16a(13) =48a(14) =83a(15) =168a(16) =334a(17) =805a(18) =1475a(19) =3426a(20) =6864a(21) =14146a(22) =29372a(23) =62266a(24) =125674a(25) =125674a(26) =261896a(27) =532460a(28) =1078877a(29) =2208745

External references