228826129

Appears in sequences

• Squares of Lucas numbers.at n=20A001254
• Number of restricted circular combinations.at n=38A006499
• Squares of odd Lucas numbers.at n=13A014730
• a(n) and floor(a(n)/5) are both squares; i.e., squares which remain squares when written in base 5 and last digit is removed.at n=15A055812
• a(n) = L(n)*C(n), L(n)=Lucas numbers (A000032), C(n)=reflected Lucas numbers (see comment to A061084).at n=20A075150
• a(n) = Lucas(4n)+2 = Lucas(2n)^2.at n=10A081069
• a(n) = Fibonacci(2*n+1) + Fibonacci(2*n-1) + 2.at n=20A092387
• Squares that are the sum of three positive Fibonacci numbers.at n=37A179334
• Duplicate of A092387.at n=20A240926
• Number of non-attacking bishop positions on a cylindrical 2 X 2n chessboard.at n=10A286810