34670

Appears in sequences

• 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, 1), (-1, 1, -1), (0, 1, 1), (1, -1, -1)}.at n=12A148050
• Number of edges in a figure made up of a row of n adjacent congruent rectangles upon drawing diagonals of all possible rectangles.at n=17A331757
• a(0) = 1; thereafter a(n) = 2*(6*n^2 - 3*n + 1).at n=54A386477