147000

Appears in sequences

• Number of spanning trees in (K_4 - e) X P_n.at n=2A003767
• a(n) = (1/12)*(n+5)*(n+1)*n^2.at n=35A014205
• Denominator of a certain Selberg integral.at n=2A051104
• Expansion of Lambert W function in powers of log(log(x))/log(x).at n=25A073315
• Numbers with prime factorization pq^2r^3s^3.at n=15A190320
• Positive integers, c, such that there are more than two solutions to the equation a^2 + b^3 = c^4, with a, b > 0.at n=55A242381
• Number of length 4+1 0..n arrays with the sum of the cubes of adjacent differences multiplied by some arrangement of +-1 equal to zero.at n=26A250231
• a(n) = n^2*(7*n - 5)/2.at n=35A262000
• Number of compositions (ordered partitions) of n into tetrahedral (or triangular pyramidal) numbers (A000292).at n=37A282582
• Expansion of 30*x*(1 + x) / (1 - x)^4.at n=23A316459
• Triangle, read by rows, each row n being defined by g.f. Product_{k=1..n} (k + x + 2*k*x^2), for n >= 0.at n=45A322891
• Bisection of A324650: a(n) = A000010(A276086(2*n)).at n=57A324651
• Numbers k such that k and usigma(k) have the same set of prime divisors, where usigma(k) is the sum of unitary divisors of k (A034448).at n=35A329858
• Expansion of e.g.f. ( Product_{k>0} 1/(1 - k * x^k) )^x.at n=7A356578