38500

Appears in sequences

• Denominators of Van der Pol numbers.at n=9A003163
• Weight distribution of [100,22,22] code associated with Hoffman-Singleton and Higman-Sims graphs.at n=19A015068
• Weight distribution of [100,22,22] code associated with Hoffman-Singleton and Higman-Sims graphs.at n=31A015068
• Expansion of 1/(1-100*x)^(1/10), related to deca-factorial numbers A045757.at n=3A035308
• Number of nonempty subsets of {1,2,...,n} in which exactly 2/5 of the elements are <= (n-2)/2.at n=18A047188
• Number of nonempty subsets of {1,2,...,n} in which exactly 2/5 of the elements are <= (n-4)/2.at n=18A048066
• Number of nonempty subsets of {1,2,...,n} in which exactly 2/5 of the elements are <= (n+2)/3.at n=18A048077
• Number of nonempty subsets of {1,2,...,n} in which exactly 2/5 of the elements are <= (n+3)/3.at n=18A048088
• a(n) = Product_{d|n, d^2<=n} (d+n/d); a(1)=1.at n=23A050214
• Triangle of Gandhi polynomial coefficients.at n=25A065755
• Numbers n such that A001414(n) = sum of composites from the smallest prime factor of n to the largest prime factor of n.at n=17A074053
• Number of isomeric aza-benzenoids with seven nitrogen atoms.at n=3A121975
• a(0) = 0, a(1) = 1, a(n+1) = 7*(2*n+1)*a(n) + n^4*a(n-1).at n=4A143002
• The Wiener index of a link of n fullerenes C_{20} (see the Ghorbani and Hosseinzadeh reference).at n=4A216114
• 3d-congruent numbers: positive integers n for which there exists a trirectangular tetrahedron having volume n and rational areas and sides.at n=41A297207
• Lesser of amicable pair m < n defined by t(n) = m and t(m) = n where t(n) = psi(n) - n and psi(n) = A001615(n) is the Dedekind psi function.at n=20A323329
• a(n) = (1/3)*n^5 + (1/2)*n^4 + (1/6)*n^3.at n=10A373561
• Number of 2 X 2 square tiles in a discrete 4-dimensional hypercube of side length n.at n=10A387286