77806

Appears in sequences

• Trajectory of 3 under map n->35n+1 if n odd, n->n/2 if n even.at n=16A037115
• Centered 1729-gonal numbers.at n=9A130876
• Principal diagonal of the convolution array A213579.at n=16A213580
• Row sums of the array A274193, defined by g(n,k) = 1 for n >= 0; g(n,k) = 0 if k > n; g(n,k) = g(n-1,k-1) + g(n-1,3k) for n > 0, k > 1.at n=40A274194
• Coefficients in the expansion of 1/([r]-[2*r]*x+[3*r]*x^2-...); [ ]=floor, r=sqrt(11/4).at n=19A288237