61863

Appears in sequences

• Numbers n such that n | 11^n + 10^n + 9^n + 8^n + 7^n + 6^n.at n=38A057258
• Integers n not of form 3m+2 such that for any integer k > 0, n*10^k+1 has a divisor in the set { 7, 11, 13, 37 }.at n=12A243969
• a(n) = (conjectured) smallest positive integer k which is neither of the form p + n^x nor of the form p - n^x with x >= 0 and p prime, where gcd(k, n) = 1 and gcd(k^2-1, n-1) = 1.at n=8A283619