41191

Appears in sequences

• Numbers k such that k and k^2 use only the digits 1, 4, 6, 8 and 9.at n=17A137055
• a(n) = a(n-1) - a(n-2) if n is prime or a(n-1) + a(n-2) otherwise. a(1) = a(2) = 1.at n=37A192439
• a(n) = a(n-1) - a(n-2) if n is prime or a(n-1) + a(n-2) otherwise. a(1) = a(2) = 1.at n=40A192439
• Number of integer partitions of n with unsortable prime factors.at n=46A326332