32679

Appears in sequences

• a(n) = Sum_{k=0..n} C(n-k, floor(k/2))*2^k.at n=15A097334
• Triangle read by rows: T(n,0) = 3^n, T(n,k) = T(n,k-1) + T(n-1,k) for 0 < k < n, and T(n,n) = T(n,n-1).at n=40A165992
• G.f.: A(x) = Sum_{n>=0} x^n / Product_{k=1..n} (1 - 5^(n-k)*x^k).at n=6A193191
• Number of distinct characteristic polynomials for 2 X 2 matrices with entries from {0, 1, ..., n}.at n=27A366448