136886433

Appears in sequences

• Expansion of (1-x)*(1+x)/(1-x-2*x^2+x^4).at n=30A052535
• Sequence is its own 4th difference.at n=15A055988
• A trisection of 1/(1-x-x^4).at n=20A099234
• Number of compositions (ordered partitions) of n into squares dividing n.at n=60A294105
• a(n) = Sum_{k=0..2*n} binomial(3*k,2*n-k).at n=10A392431