1566720

Appears in sequences

• Weight distribution of [256,37,92] extended binary primitive BCH (or XBCH) code.at n=23A151620
• a(n) = AR(n) is the total number of aperiodic k-reverses of n.at n=31A180322
• a(n) = r1^n + r2^n + r3^n where r1, r2, r3 are the three roots of x^3 - 2*x - 2 = 0.at n=24A191697
• Number of length 7+3 0..n arrays with every four consecutive terms having the sum of some three elements equal to three times the fourth.at n=26A248544
• Numbers k such that iphi(k) divides k, where iphi is an infinitary analog of Euler's phi function (A091732).at n=21A335327