56916

Appears in sequences

• Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite CAS = Cesium Aluminosilicate (Araki) Cs4[Al4Si20O48] starting with a T2 atom.at n=14A019089
• Number of conics which pass through 3 points and are bitangent to a general curve of order n.at n=18A060783
• Expansion of Product_{k>=0} ((1+x^(3*k+1))/(1-x^(3*k+1)))^3.at n=19A261651
• Positive integers n such that n=p+q for some primes p,q with pi(p)*pi(q) = sigma(n).at n=35A273286
• Number of integer compositions of n whose leaders of maximal strictly increasing runs sum to 2.at n=45A374705