4627915

Appears in sequences

• Number of degree-n irreducible polynomials over GF(2) with trace = 0 and subtrace = 0.at n=28A042980
• Number of degree-n irreducible polynomials over GF(2) with trace = 1 and subtrace = 0.at n=28A042981
• Number of binary Lyndon words of length n with trace 0 and subtrace 0 over Z_2.at n=28A074027
• Number of binary Lyndon words of length n with trace 1 and subtrace 0 over Z_2.at n=28A074029
• Odd composites k with more than 2 prime factors for which it holds that k = A048720(k/d, A065621(d)), for all divisor pairs (d, k/d), d <= k/d.at n=12A391252