65514541
domain: N
Appears in sequences
- a(n) = 4^n - 3^n.at n=13A005061
- Nexus numbers (n+1)^13-n^13.at n=3A022529
- Number of n X 13 binary arrays with a path of adjacent 1's from top row to bottom row.at n=1A069388
- G.f.: (2-x)/((1+3x)(1-4x)); e.g.f.: exp(4x) + exp(-3x); a(n) = 4^n + (-3)^n.at n=13A087452
- a(n) = 2*a(n-1)+3*a(n-2)-6*a(n-3) starting a(0)=a(1)=0, a(2)=1.at n=26A167762
- a(n) = 2^n - A108411(n).at n=26A167936
- Number of second differences of arrays of length n + 2 of numbers in 0..3.at n=10A228213
- Number of third differences of arrays of length n+3 of numbers in 0..3.at n=9A228255