271205

Appears in sequences

• Convolution of positive integers n with Lucas numbers L(k)(A000032) for k >= 4.at n=18A033814
• Number of n-digit numbers m such that (a) the digits of m are from the set {1, 2, 3, 4, 5}, (b) any digit that appears in m appears at least twice.at n=8A171726
• Integers m such that iterating the map f(x) = x^2 + 1 on m generates a number ending with m.at n=26A350130