166354808

Appears in sequences

• Numbers k such that 10*k^2 + 9 is a square.at n=16A075836
• a(0) = 1, a(1) = 2; a(n+1) = 6*a(n) + a(n-1) for n>1.at n=11A179237
• Numerators in convergents to infinitely repeating period 3 palindromic continued fraction [1,2,1,...].at n=31A179238
• a(n) = 6*a(n-2) + a(n-4), where a(0) = 2, a(1) = 8, a(2) = 13, a(3) = 49.at n=20A228469