34917

Appears in sequences

• Number of functions f:{0,1,2,...,n} -> {0,1,2,...,n} that satisfy f(0)=0 and f(n)=0, with f nowhere concave upward.at n=14A068602
• Numbers k such that, taken together, the base-10 and base-b expansions of k are pandigital for some b < 10.at n=12A174596
• Number of n-step three-sided prudent self-avoiding walks ending on the bottom side of their box.at n=12A191825
• Number of order-preserving or order-reversing full contraction mappings (of an n-chain) with exactly 1 fixed point.at n=12A221880
• Number of (n+2)X(4+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00000111.at n=5A260066
• Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00000111.at n=3A260068
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00000111.at n=39A260070
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00000111.at n=41A260070
• Number of length n arrays of permutations of 0..n-1 with each element moved by -4 to 4 places and the total absolute value of displacements not greater than n.at n=12A263935
• Expansion of (1/x) * Series_Reversion( x*(1-x)^4/(1-x+x^3) ).at n=6A366053