23548

Appears in sequences

• a(n) = n^3 - n^2.at n=29A045991
• a(n) = n^2 * phi(n).at n=28A053191
• Triangle read by rows: Eulerian numbers of type B, T(n,k) (1 <= k <= n) given by T(n, 1) = T(n,n) = 1, otherwise T(n, k) = (2*n - 2*k + 1)*T(n-1, k-1) + (2*k - 1)*T(n-1, k).at n=24A060187
• A column and diagonal of A060187 (k=4).at n=3A060190
• a(n) = 28*n^2.at n=29A064763
• a(n) = sigma_3(n) - sigma_2(n).at n=28A092349
• (prime(prime(n))^4-1)/120.at n=3A092775
• Recursively defined polynomials, read by row.at n=59A109086
• a(n) = n*(n+1)^2.at n=27A114364
• Numbers representable in exactly two ways as (p-1)*p^e (where p is a prime and e >= 0) in ascending order.at n=18A114874
• Number of 2 X 2 symmetric matrices over Z(n) having nonzero determinant.at n=28A115077
• Numbers m such that m^k does not divide the denominator of the m-th generalized harmonic number H(m,k) nor the denominator of the m-th alternating generalized harmonic number H'(m,k), for k = 4.at n=42A128674
• Number of partitions of n in which each odd part has odd multiplicity.at n=43A131942
• a(n) = p^2*(p-1), where p = prime(n).at n=9A135177
• A002326((k-1)/2) for composite numbers k from A141229.at n=5A140198
• Maximal coefficient of MacMahon polynomial (cf. A060187) p(x,n)=2^n*(1 - x)^(n + 1)* LerchPhi[x, -n, 1/2]; that is, a(n) = Max(coefficients(p(x,n))).at n=6A154420
• Triangle T(n,k) = A060187(n+2,k+2), 1<=k<=n.at n=12A154817
• Triangle: A060187 with interspersed zeros.at n=42A158781
• Period of decimal representation of 1/n^3.at n=28A176921
• Central MacMahon numbers: a(n)=A060187(2*n+1, n+1).at n=3A177043