18512

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 17.at n=7A031695
• Expansion of -(9520*x^9 -11504*x^8 +2840*x^7 -1040*x^6 +248*x^5 +36*x^4 -1) / ((2*x -1)*(4*x^2 +2*x -1)).at n=8A115108
• Row sums of correlation triangle for (1+x)^3/(1-x).at n=35A115293
• a(n) = 64*n^2 + 16.at n=16A157912
• a(n) = 289n^2 + 2n.at n=7A158254
• Number of binary strings of length n with no substrings equal to 0011 0101 or 1010.at n=16A164504
• Number of (n+1) X (2+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing x(i,j)-x(i-1,j) in the j direction.at n=9A250605
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 270", based on the 5-celled von Neumann neighborhood.at n=42A271089
• Numbers k such that (7*10^k + 107)/3 is prime.at n=21A282667
• a(n) = 17*n^2 - 1.at n=33A321180
• Inverse permutation to A386932.at n=43A387024
• Upper (3/2)-midsequence of binomial(n,3) and binomial(n,2); see Comments.at n=42A390343