19314

Appears in sequences

• Number of partitions of n with equal number of parts congruent to each of 0 and 4 (mod 5).at n=44A035555
• Hyper-Wiener index of a benzenoid consisting of a chain of n hexagons characterized by the encoding s = 1133 (see the Gutman et al. reference, Sec. 5).at n=8A193400
• Number of prime factors in A052129(n).at n=15A238496
• Number of partitions of n having (sum of odd parts) < (sum of even parts).at n=41A239259
• Number of partitions of n having (sum of odd parts) <= (sum of even parts).at n=41A239260
• Numbers k such that the coefficient of x^k in the expansion of Product_{j>=1} (1 - x^j)^5 is zero.at n=25A302057
• a(n) is the number of canonical polygons with 4n edges having 4-fold rotational symmetry.at n=8A307426
• a(n) = Sum_{k=2..n} binomial(k,2) * floor(n/k).at n=45A366967