59864

Appears in sequences

• a(n) = a(n-1) + a(n-4) with a(0) = 0, a(1) = a(2) = a(3) = 1.at n=37A003269
• Expansion of (1-x)/(1-x-x^4).at n=40A017898
• Expansion of (1-x)*(1+x)/(1-x-2*x^2+x^4).at n=18A052535
• Sequence is its own 4th difference.at n=9A055988
• Expansion of -x - x^3*(2 -2*x^4 +x^5)/((1-x^2)*(1+x+x^4)).at n=35A089076
• A trisection of 1/(1-x-x^4).at n=12A099234
• Number of compositions (ordered partitions) of n into squares not greater than sqrt(n).at n=36A369342
• a(n) = Sum_{k=0..2*n} binomial(3*k,2*n-k).at n=6A392431