147472

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 48.at n=15A031726
• Define C(n) by the recursion C(0) = 4*i where i^2 = -1, C(n+1) = 1/(1 + C(n)), then a(n) = 4*(-1)^n/Im(C(n)) where Im(z) denotes the imaginary part of z.at n=11A069961
• a(n) = 256*n^2 + 16.at n=24A158574
• (Number of permutations of {1,2,...,n} for which sums of three consecutive numbers (with wraparound) are all distinct)/2n.at n=7A206477