87653

Appears in sequences

• n written in fractional base 9/8.at n=39A024656
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 1), (-1, 1, -1), (1, 0, 0), (1, 1, 0)}.at n=9A150312
• a(n) = 1369*n^2 + 37.at n=8A158741
• a(n) = 20*a(n-1) - 64*a(n-2) + 1 for n > 1; a(0) = 1, a(1) = 20.at n=4A167031
• Numbers k for which rank of the elliptic curve y^2 = x^3 - 432*k^2 is 4.at n=20A309964