2268000
domain: N
Appears in sequences
- Like A073327, but multiply the numerical values of the letters instead of adding them.at n=15A075831
- Denominators of the raw moments of the distribution of areas for triangles picked at random in a triangle of unit area.at n=7A103475
- Triangle read by rows: T(n, k) = (n+1)!*(1/k + 1/(n-k+1)).at n=37A156047
- Triangle read by rows: T(n, k) = (n+1)!*(1/k + 1/(n-k+1)).at n=43A156047
- Number of permutations of 1..n with the sequence of sums of 5 adjacent elements having exactly 2 maxima.at n=4A179725
- Number of permutations of 1..n with the sequence of sums of 6 adjacent elements having exactly 2 maxima.at n=3A179729
- Filter-sequence for Stern polynomials: Least number with the same prime signature as A260443(n).at n=53A278243
- Odd bisection of A278243: a(n) = A046523(A277324(n)).at n=26A284573
- Number of reciprocally monophyletic coalescence sequences for 2n lineages, n each in 2 species.at n=4A306266
- Largest of the least integers of prime signatures over all partitions of n into distinct parts.at n=13A332644
- Largest number of maximum matchings in a tree of n vertices.at n=45A333347
- a(n) = Product_{k=1..w(n)} p(k)^(S(n,k)-1), where set S(n,k) = row n of A272011 and w(n) = A000120(n) is the binary weight of n.at n=29A362227
- Number of ranked labeled trees compatible with the 2-leaf perfect phylogeny of sample size n that possesses the largest number of compatible ranked labeled trees.at n=8A377461
- Numbers that set records in in A379772.at n=20A379773
- a(n) = Sum_{k=0..floor(n/3)} 2^k * 3^(n-3*k) * binomial(k+6,6) * binomial(2*k,2*(n-3*k)).at n=16A391723