47742

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 EUO = EU-1 Nan[AlnSi112-nO224] starting with a T1 atom.at n=14A019127
• Coefficients in expansion of E_2^(-1/4).at n=4A295791
• Oblong composite numbers m such that beta(m) = tau(m)/2 - 1 where beta(m) is the number of Brazilian representations of m and tau(m) is the number of divisors of m.at n=15A326384
• a(n) = Sum_{i|n, j|n, k|n} i*j*k/gcd(i,j,k).at n=27A344133
• Numbers k such that sopfr(k + sopfr(k)) = sopfr(k) + sopfr(sopfr(k)), where sopfr = A001414.at n=45A376851