108150

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, 0, 1), (-1, 1, -1), (1, 0, 0), (1, 1, 0)}.at n=9A150319
• Number of (w,x,y,z) with all terms in {1,...,n} and w + x > 2y + 2z.at n=30A212564
• Number of n X 5 0..1 arrays with no element equal to more than one of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.at n=11A280551
• a(n) = Sum_{k=0..floor((n-1)/3)} |Stirling1(n,3*k+1)|.at n=9A357829