27524

Appears in sequences

• Numbers that are the sum of 9 nonzero 8th powers.at n=39A003387
• Number of free n-celled polyzebras (or zebra-move-connected polyominoes).at n=6A093989
• a(n) = [x^n] (1 + x*(1+x)^(n-1) )^(n+1).at n=6A121676
• a(n) = Sum_{i=0..n} C(2*n-i,n+i)*2^i.at n=8A133915
• a(n) = 20*a(n-1) - 98*a(n-2) for n>1, a(0)=1, a(1)=14.at n=4A163416
• Expansion of (-x^2 + 3*x - 1)/(x^3 - x^2 + 3*x - 1).at n=13A200752
• The number of P-positions in the game of Nim with up to four piles, allowing for piles of zero, such that the total number of objects in all piles doesn't exceed 2n.at n=38A237686
• Expansion of e.g.f. 1/(1 - x/8 * (exp(4 * x) - 1)).at n=7A354326