328440

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 MEL = ZSM-11 Nan[AlnSi96-nO192] starting with a T5 atom.at n=16A019153
• Expansion of 1/((1-x)(1-3x)(1-7x)(1-9x)).at n=5A021594
• Product of composite numbers between the n-th and (n+1)st primes.at n=18A061214
• a(n) = (2*n+2)*(2*n+3)*(2*n+4) = 24*A000330(n+1).at n=33A069074
• Numbers that can be expressed as the difference of the squares of primes in exactly seventeen distinct ways.at n=3A092013
• a(n) = (3*n-1) * 3*n * (3*n+1).at n=22A097321
• a(1) = 1, then product of consecutive composite numbers sandwiched between primes.at n=38A109919
• Numbers with prime factorization p*q*r*s*t*u^3 (where p, q, r, s, t, u are distinct primes).at n=14A190378
• Numbers k such that Euler phi(Dedekind psi(k)) > k.at n=27A196200
• Numbers n such that the multiplicative group modulo n is the direct product of 7 cyclic groups.at n=15A272597
• a(n) = Sum_{k=0..n} 2^k * binomial(n+3,k+3) * binomial(2*k+6,k+6).at n=5A387308