136144

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 59 ones.at n=18A031827
• Number of (n+1)X(3+1) arrays of permutations of 0..n*4+3 with each element having directed index change 1,0 0,-1 1,2 or -1,1.at n=14A264578
• Irregular triangular array T; row n shows the coefficients of the (n-1)-st polynomial in the obverse convolution s(x)**t(x), where s(x) = 2^n and t(x) = 2x+1. See Comments.at n=23A375045