60864

Appears in sequences

• Triangle T(n,k), n>=1, read by rows, where T(n,k) is the number of lattice polygons with area n and perimeter 2*k.at n=50A008855
• Theta series of 8-d 6-modular lattice G_2 tensor F_4 (or A_2 tensor D_4) with det 1296 and minimal norm 4 in powers of q^2.at n=21A028977
• Number of primes between n^n and (n+1)^(n+1).at n=5A066612
• Expansion of 1/sqrt(1-4*x-36*x^2).at n=6A098455
• Square array, read by antidiagonals, used to recursively calculate the number of minimax trees A080795.at n=30A185420
• Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of 1/sqrt(1 - 4*x - (2*k*x)^2).at n=51A387466