17308657

Appears in sequences

• Centered cube numbers: (n+1)^12 + n^12.at n=3A036090
• a(n) = 3^n + 4^n.at n=12A074605
• G.f.: (2-x)/((1+3x)(1-4x)); e.g.f.: exp(4x) + exp(-3x); a(n) = 4^n + (-3)^n.at n=12A087452
• Main diagonal 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,k-1) for 2 <= k <= j.at n=25A129339
• 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=25A131023
• Integers expressible in at least two ways as a^3 + b^4, where a,b > 0.at n=24A217196
• If 2*n = Sum (2^e_k) then a(n) = Sum (e_k^n).at n=11A309801