44530

Appears in sequences

• Bending a piece of wire of length n+1; walks of length n+1 on a tetrahedron; also non-branched catafusenes with n+2 condensed hexagons.at n=11A001998
• a(n) = (3^n+1)*(3^(n+1)+1)/4.at n=5A051405
• 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, 0), (1, 0, 0), (1, 1, -1)}.at n=10A149824
• 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), (0, 0, -1), (0, 1, -1), (0, 1, 1), (1, 0, 1)}.at n=8A150712
• Number of triangular nXnXn arrays of occupancy after each element either stays or moves to some neighbor and with no occupancy greater than 4.at n=3A217506
• T(n,k) is the number of triangular n X n X n arrays of occupancy after each element either stays or moves to some neighbor and with no occupancy greater than k.at n=24A217510
• a(n) = number of steps required to reach 0 from F(n+2) by repeatedly subtracting from a natural number the number of ones in its Zeckendorf representation. Here F(n) = the n-th Fibonacci number, F(0) = 0, F(1) = 1, F(2) = 1, F(3) = 2, ...at n=26A261082
• p-INVERT of (1,0,1,0,0,0,0,...), where p(S) = 1 - 2 S - S^2.at n=10A291729