33600

Appears in sequences

• a(n) = max_{k=0..n} 2^k*A048993(n,k).at n=8A002871
• Number of labeled connected rooted trivalent graphs with 2n nodes.at n=3A006607
• Expansion of ( Sum_{k>=0} k*q^(k^2) )^8.at n=35A037217
• Octahedral torus number: a(n) = n^2 + 2*(Sum_{k=1..n-1} k^2) - 2*(floor((n+1)/2)^2 + 2*(Sum_{k=1..floor((n+1)/2)-1} k^2)) + (1 - (-1)^n)/2.at n=40A050442
• Expansion of e.g.f.: (log(1-x))^2*x^3.at n=8A052766
• Saint-Exupéry numbers: ordered products of the three sides of Pythagorean triangles.at n=17A057096
• Numbers k that can be expressed as k = w + x = y*z with w*x = y^3 + z^3 where w, x, y, and z are all positive integers.at n=41A057372
• Triangle read by rows. T(n, k) = Sum_{i=0..n} Stirling2(n, i)*Product_{j=1..k} (i - j + 1) for 0 <= k <= n.at n=32A059098
• For n >= 1, a(n) is the number of permutations in the symmetric group S_n such that their cycle decomposition contains no 6-cycle.at n=8A060726
• Number of cyclic subgroups of order 6 of general affine group AGL(n,2).at n=3A063409
• Numbers k such that k^6 + 1091 is prime.at n=20A066386
• Variance of time for a random walk starting at 0 to reach one of the boundaries at +n or -n for the first time.at n=15A072819
• Numbers k such that A074037(k) = A002034(k).at n=31A074055
• Matrix square of unsigned Lah triangle abs(A008297(n,k)) or A105278(n,k).at n=24A079621
• Denominator of B(2n)*H(2n)/n where B(k) is the k-th Bernoulli number and H(k) the k-th harmonic number.at n=3A083688
• Triangle T(n,k) read by rows, where T(n,k) = number of times the permanent of a real nonsingular n X n (0,1)-matrix takes the value k, for n >= 1, 1 <= k <= A000255(n).at n=35A089480
• Hook products of all partitions of 11.at n=8A093790
• Number of divisors of A104350(n).at n=23A104352
• Expansion of x^9/((1-x)*(1-x^2)*(1-x^3))^2.at n=37A117485
• Triangle T(n,k), the number of permutations on n elements that have no cycles of length k.at n=33A122974