108990

Appears in sequences

• Numbers k such that k and 9*k are anagrams.at n=19A023093
• Number of primitive (period n) bracelet structures using a maximum of four different colored beads.at n=13A056363
• Numbers k such that k divides A340740(k).at n=13A342503
• Number of 3 X 3 matrices with unit determinant and positive integer entries whose sum is n.at n=38A361082
• a(n) is the first number that is the sum of two palindromic primes in exactly n ways.at n=15A379138