25178

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 13.at n=20A031601
• Smaller of two consecutive semiprimes which are anagrams of each other.at n=11A228135
• G.f.: Product_{k>=1} (1 + x^k) / (1 - x^(k^3)).at n=45A280277
• Number of polyforms with n cells on the faces of a disdyakis dodecahedron up to rotation.at n=13A383807