108561

Appears in sequences

• a(n) = 5*a(n-1) - a(n-2), with a(0) = 1 and a(1) = 2.at n=8A002310
• a(n) = 5*a(n-3) - a(n-6) with terms 1..6 as 0, 1, 2, 5, 7, 9.at n=23A142879
• Fibonacci-type sequence based on bitwise exclusive-or: a(0) = 0, a(1) = 1 and a(n) = a(n-1) + (a(n-1) xor a(n-2)).at n=17A182201
• a(n) = (a(n-1)*a(n-3) + 1) / a(n-4) with a(0) = a(1) = a(2) = a(3) = 1.at n=25A217787
• Values of x in the solutions to x^2 - 5xy + y^2 + 5 = 0, where 0 < x < y.at n=15A237254
• Number of ways to choose a partition, with odd parts, of each part of a partition of n into odd parts.at n=30A300301