24483

Appears in sequences

• a(n) is the number of elements in the Coxeter complex of type B_n (or C_n).at n=5A080253
• Triangular array P*(2*I - P^2)^-1, where P is Pascal's triangle A007318 and I is the identity matrix.at n=15A162313
• L.g.f.: Sum_{n>=1} (x^n/n) * Product_{d|n} (1 + n*x^d/d).at n=33A205477
• Number of idempotent 3X3 -n..n matrices of rank 2.at n=12A223452
• Number of partitions of n in which the largest summand has frequency 1, the next largest summand has frequency at most 2, the third largest has frequency at most 3, etc.at n=43A244395
• Expansion of r(q)^3 / r(q^3) in powers of q where r() is the Rogers-Ramanujan continued fraction.at n=45A285628
• Numbers k such that (47*10^k - 119)/9 is prime.at n=18A291868
• Least k such that there are exactly n ways to choose a sequence of divisors, one of each element of the multiset of prime indices of k (with multiplicity).at n=19A355732