33554400

Appears in sequences

• Number of aperiodic binary strings of length n; also number of binary sequences with primitive period n.at n=25A027375
• Row sums of triangle T(m,n) = number of solutions to 1 <= a(1) < a(2) < ... < a(m) <= n, where gcd(a(1), a(2), ..., a(m), n) = 1, in A020921.at n=24A038199
• Number of 2n-bead balanced binary strings of fundamental period 2n, rotationally equivalent to complement.at n=25A045663
• Number of primitive (aperiodic) words of length n which contain exactly two different symbols.at n=24A056267
• a(n) = 32*(2^n - 1).at n=20A175165
• Number of similarity classes of vectors with minimal Ducci period n.at n=24A269795
• Number of integer compositions of n whose parts are not in arithmetic progression.at n=26A389741