209717

Properties

Appears in sequences

• (4^(n+1)-(-1)^n 9 )/5.at n=8A109546
• Triangle, read by rows, where row n equals row n of matrix power A132844^n for n>=0, where triangle A132844 is defined by: A132844(n,k) = T( [(n+k)/2], k) for n>=k>=0.at n=36A132845
• Column 0 of triangle A132845.at n=8A132846
• G.f.: Sum_{n>=0} (1+x)^n * Product_{k=1..n} ((1+x)^k - 1).at n=8A207556
• Prime numbersat n=18782