19546

Appears in sequences

• A generalized partition function.at n=17A002601
• Number of interior balls in a truncated octahedral arrangement.at n=10A093033
• Number of bull-free Berge perfect graphs on n nodes.at n=8A123410
• Number of binary strings of length n with equal numbers of 00010 and 01010 substrings.at n=15A164216
• Number of Dyck paths of semilength n having exactly nine (possibly overlapping) occurrences of the consecutive step pattern given by the binary expansion of n, where 1=U=(1,1) and 0=D=(1,-1).at n=12A243778
• Bernoulli number B_{n} has denominator 354.at n=45A255684
• Expansion of Product_{k>=1} 1/(1+x^k)^(k^3) in powers of x.at n=13A284897
• Number of integer partitions of n with at least one part of odd multiplicity that is not the first or last.at n=37A349061
• a(n) is the number of 5 element sets of distinct integer-sided trapezoids whose base angles are 60 degrees that fill an equilateral triangular grid of side n units, where one trapezoid has a larger base of n units.at n=26A391453