62156

Appears in sequences

• Numbers k such that k^2 contains only digits {3,6,8}.at n=2A058465
• n*10^3-1, n*10^3-3, n*10^3-7 and n*10^3-9 are all prime.at n=32A064977
• a(n) is the smallest positive d such that the n-th prime is the smallest prime p for which p+d is also prime.at n=38A101042
• A101042 sorted. There exists a prime p for which a(n) is the smallest positive d such that p is the smallest prime where p+d is also prime.at n=41A101043
• Sum of proper divisors minus the number of proper divisors of Fibonacci number A000045(n).at n=40A152990
• a(n) = number of subsets S of {1,2,...,n} having more than 2 elements such that (sum of least three elements of S) = max(S).at n=22A357287