48488
domain: N
Appears in sequences
- a(n) = ((8 + sqrt(3))^n + (8 - sqrt(3))^n)/2.at n=5A152055
- Number of strings of numbers x(i=1..6) in 0..n with sum i^2*x(i)^2 equal to n^2*36.at n=43A184244
- Numbers with digits 4 and 8 only.at n=41A284972
- Number of vertices in a polygon whose boundary consists of n+2 equally spaced points around a semicircle and n+2 equally spaced points along the diameter (a total of 2n+2 points). See Comments for precise definition.at n=18A334458
- Number of Dean words of length n, i.e., squarefree reduced words over {0,1,2,3}.at n=22A343421