27522

Appears in sequences

• a(n) = dot_product(1,2,...,n)*(3,4,...,n,1,2).at n=41A026037
• Number of prime pairs below 10^n having a difference of 50.at n=7A093979
• Sums of 2 successive primes s = prime(m) + prime(m+1) such that all digits of s are primes.at n=23A173719
• Numbers n for which the alternating sum of the digits of n^n is 0.at n=35A244212
• Number of nX3 0..1 arrays with every element unequal to 1, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=8A317818