18458141

Appears in sequences

• Numbers k such that k | 12^k + 11^k + 10^k + 9^k + 8^k + 7^k + 6^k + 5^k.at n=39A057491
• A sequence a(n) such that a(n+1)^2 - a(n)^2 are perfect squares.at n=12A180313