54121

Properties

Appears in sequences

• Number of unlabeled rooted strength 3 Eulerian graphs with n nodes.at n=5A007130
• a(1)=1, a(n) = n*6^(n-1) + a(n-1).at n=5A014918
• a(n) = Sum_{m=0..n} m*n^(m-1).at n=6A068475
• Smallest prime p that is a palindrome in n different bases < p.at n=11A087911
• Primes of the form 8*n^2 + 4*n + 1.at n=27A102130
• Triangle read by rows, generated from (..., 3, 2, 1).at n=60A108283
• a(n) = 1 + 2*n + 3*n^2 + 4*n^3 + 5*n^4 + 6*n^5.at n=6A113531
• Base-6 pandigital primes: primes having at least one of each digit 0,1,2,3,4,5 when written in base 6.at n=24A175278
• Primes p such that p+12, (p+1)/2, and (p+13)/2 are also prime.at n=20A283869
• Prime numbersat n=5510