Number of degree n polynomials over GF(2) (with nonzero constant term) at Hamming distance 1 from some irreducible polynomial.

A128901

Number of degree n polynomials over GF(2) (with nonzero constant term) at Hamming distance 1 from some irreducible polynomial.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =4a(4) =8a(5) =16a(6) =32a(7) =63a(8) =128a(9) =255a(10) =510a(11) =1020a(12) =2032a(13) =4048a(14) =8109a(15) =16216a(16) =32434a(17) =64731a(18) =129597a(19) =258718a(20) =517424a(21) =1034430a(22) =2067780a(23) =4132038a(24) =8262934a(25) =16515320a(26) =33021972a(27) =66029987a(28) =132008983a(29) =263944002

External references