86912

Appears in sequences

• Cascadence of (1+2x)^2; a triangle, read by rows of 2n+1 terms, that retains its original form upon convolving each row with [1,4,4] and then letting excess terms spill over from each row into the initial positions of the next row such that only 2n+1 terms remain in row n for n>=0.at n=37A120914
• G.f.: (1+4*x+x^2)/(1-4*x+x^2).at n=8A234272
• Exponential self-convolution of this sequence gives central binomial coefficients (A000984).at n=11A277339
• Coefficients in the expansion of 1/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = 7/4.at n=26A279678
• a(n) = n * A001353(n).at n=7A317405
• Indices of records in A327008.at n=20A327010
• Number of vertices formed in a square by straight line segments when connecting the n-1 points between each corner that divide each edge into n equal parts to the n-1 points on each of the two adjacent edges of the square.at n=14A358408