2156201
domain: N
Appears in sequences
- Numbers that are the sum of 3 nonzero 10th powers.at n=18A004803
- a(n) = 2^(n-1) + (2 + (-1)^n)^((n-2)/2).at n=21A085613
- First subdiagonal of triangular array T: T(j,1) = 1 for ((j-1) mod 6) < 3, else 0; T(j,k) = T(j-1,k-1) + T(j-1,k) for 2 <= k <= j.at n=22A131023
- a(n) = 3^n + 2^(2*n + 1).at n=9A213659