3906248

Appears in sequences

• Number of palindromes (in base 5) below 5^n.at n=17A117864
• Numbers, a(n) where binomial(a(n), 5n-1) == 0 (mod 5) and binomial(a(n), k) != 0 (mod 5) for k != 5n - 1.at n=32A224251