36810

Appears in sequences

• a(n) = 2*a(n-2)+4*a(n-4)+a(n-6), n>9.at n=21A107856
• The coefficient of t^n in the power series solution of u in the equation -t+(1-t+t^2+t^3)*u-(t+t^4)*u^2+(t^3+t^5)*u^3-t^4*u^4=0.at n=19A190591
• Number of ordered triples of partitions of n with no common parts.at n=10A260664
• Number of set partitions of [n] such that for each block b the smallest integer interval containing b has at most seven elements.at n=10A276723
• Expansion of Product_{i>=1, j>=1} (1 + x^(i*j) + x^(2*i*j)).at n=25A329805
• The number of edges inside a hexagram formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts.at n=2A333049
• a(n) = n! * Sum_{k=0..n} (-k * (n-k))^k/k!.at n=6A351796