79768

Appears in sequences

• a(n) = Sum_{0 <= i < j <= n} (prime(j) - prime(i))^2, where prime(0) = 1.at n=15A024526
• Number of essentially different ways of arranging numbers 1 through 2n around a circle so that the sum of each pair of adjacent numbers is prime and the odd (or even) numbers are in order.at n=22A072616
• Least number x such that x^n has n digits equal to k. Case k = 6.at n=34A285453