2862617

Properties

Appears in sequences

• Expansion of (1-x)*(1+x)/(1-x-2*x^2+x^4).at n=24A052535
• Sequence is its own 4th difference.at n=12A055988
• Expansion of -x - x^3*(2 -2*x^4 +x^5)/((1-x^2)*(1+x+x^4)).at n=47A089076
• A trisection of 1/(1-x-x^4).at n=16A099234
• a(n) = Sum_{k=0..2*n} binomial(3*k,2*n-k).at n=8A392431
• Prime numbersat n=207625