68703187
domain: N
Appears in sequences
- Centered cube numbers: (n+1)^13+n^13.at n=3A036091
- a(n) = 3^n + 4^n.at n=13A074605
- 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=27A129339
- Row sums 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=26A131024