5255361

Appears in sequences

• Main diagonal of array A083857.at n=11A083862
• Horadam sequence (0,1,9,3).at n=10A085504
• a(n) = 3^(n-1)*Fibonacci(n).at n=11A099012
• a(n) = 3*a(n-1) + 9*a(n-2) for n > 1, with a(0)=1, a(1)=3.at n=10A122069
• Odd numbers k such that A173557(k) divides nonzero A051709(k).at n=25A345054