24539

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 41 ones.at n=3A031809
• Let M = the 2 X 2 matrix [ 0 3 / 3 2]. Take (M^n * [1 1])/3 = [p q]; then a(n) = p.at n=7A094726
• Coefficients of the C-Dyson Mod 27 identity.at n=40A104503
• a(1) = 2; a(n+1) = a(n) + p, where p is the largest prime <= a(n).at n=14A123196
• Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 110-100-111 pattern in any orientation.at n=9A146178
• Log of the q-exponential of x, e_q(x,q), evaluated at q=-x.at n=20A152399
• Number of (n+1)X(1+1) 0..2 arrays x(i,j) with every row sum{j*x(i,j), j=1..1+1} equal, and every column sum{i*x(i,j), i=1..n+1} equal.at n=19A232609
• Number of 2Xn arrays containing n copies of 0..2-1 with every element equal to at least one horizontal or vertical neighbor and the top left element equal to 0.at n=10A267902