69342

Appears in sequences

• Expansion of g.f. 1/((1 - 2*x)*(1 - 5*x)*(1 - 7*x)).at n=5A016296
• Areas of integer Heronian triangles [A068967(n), prime(A068967(n)), A068968(n)].at n=11A068969
• 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, 1, -1), (0, 1, 1), (1, 0, 0), (1, 1, -1)}.at n=9A150019
• a(n) = 36*n^2 - 8*n - 2 (n >=1).at n=43A304834