904200192

Appears in sequences

• Number of degree-n irreducible polynomials over GF(4) with trace 0 and subtrace 1.at n=18A074032
• Number of degree-n irreducible polynomials over GF(4) with trace 1 and subtrace 0.at n=18A074033
• Let a = RootOf( x^2+x+1 ) and b = 1+a. Number of degree-n irreducible polynomials over GF(4) with trace 1 and subtrace a.at n=18A074035
• Number of 4-ary Lyndon words of length n over GF(4) with trace 0 and subtrace 1.at n=18A074447
• Number of 4-ary Lyndon words of length n over GF(4) with trace 1 and subtrace 0.at n=18A074448
• Let x = RootOf(z^2 + z + 1) and y = 1+x. Number of 4-ary Lyndon words of length n over GF(4) with trace 1 and subtrace x.at n=18A074450
• Index of the closure of a triangle group Delta, associated with billiards in a regular n-gon, in the adelic group Gamma = SL_2(O), where O is the profinite completion of Z[zeta + zeta^{-1}] and zeta is the n-th root of unity.at n=16A374898