54913

Appears in sequences

• Strong pseudoprimes to base 29.at n=23A020255
• Strong pseudoprimes to base 46.at n=32A020272
• Strong pseudoprimes to base 69.at n=26A020295
• Numbers k such that the digits of k^2 are exactly the same (albeit in different order) as the digits of (k+1)^2.at n=18A072841
• Expansion of (17-25*x-23*x^2+133*x^3)/(1-x)^4.at n=16A118587
• Numbers m such that k = m*23^2 divides 3^(k-1) - 2^(k-1).at n=21A130058
• Numbers k such that |2^k-993| is prime.at n=26A165779
• Sum over all partitions lambda of n into 3 distinct parts of Product_{i:lambda} prime(i).at n=15A258358
• Semiprimes k = pq such that p^k == p (mod k) and q^k == q (mod k).at n=36A294169
• Number of polyhedra (3-polytopes) of graph radius 1 on n edges.at n=27A355638