37852

Appears in sequences

• Triangular array read by rows: for n, k >= 1, a(n+1, 1) = 2*a(n, n); a(n+1, k+1) = a(n, k)+a(n+1, k).at n=34A129340
• Convolution sequence: this sequence convolved with A000041 gives powers of 2, (A000079).at n=17A152537
• The number of pure inverting compositions of n.at n=18A178841
• A musically inspired Titius-Bode-like sequence based on the geometric division of 4- and 5-dimensional space: Z_(n+1) = 3 * (C(n-1, 0) + C(n-1, 1) + C(n-1, 2) + C(n-1, 3) + C(n-1, 4) + C(n-1, 5)*A059620(n+6)) + 4.at n=19A209257
• Coordination sequence for (2,3,7) tiling of hyperbolic plane.at n=53A265057
• Squares where A323809 gets stuck.at n=24A323813