72448

Appears in sequences

• Revert transform of (1 - x - 2x^2 + x^3)/(1 - 2x^2).at n=10A049139
• Number of 1:4:sqrt(17) proportioned triangles on a (n+1) X (n+1) grid.at n=27A189884
• a(n) = n^3 + 2*n^2 + 4*n + 1.at n=41A270867
• p-INVERT of (1,1,0,0,0,0,...), where p(S) = 1 - S^2 - S^4.at n=18A291400
• a(n) = n*(n + 5)*(n + 7)*(n + 10)/24 + 1.at n=31A323220