20592

Appears in sequences

• Degrees of irreducible representations of alternating group A_13.at n=53A003868
• Degrees of irreducible representations of symmetric group S_13.at n=98A003877
• Degrees of irreducible representations of symmetric group S_13.at n=97A003877
• Perimeters of more than one primitive Pythagorean triangle.at n=36A024408
• For all n, if d is recursively applied to a(n) exactly 6 times then the fixed point of d-iteration is just reached.at n=34A036458
• Expansion of 1/((1-x)*(1-x^2))^4.at n=15A038164
• Theta series of D8 lattice with respect to midpoint of edge.at n=13A045820
• a(n) = n*(n-1)^2*(n-2).at n=11A047928
• Number of nonempty subsets of {1,2,...,n} in which exactly 5/6 of the elements are <= (n-4)/2.at n=27A048070
• Number of sequences {s(i): i=0..n} such that |s(i)-s(i-1)|=1, i=1..n and s(i)=0 at four values of i, one of which is i=0.at n=16A052207
• Ninth column of Lanczos triangle A053125 (decreasing powers).at n=2A054327
• a(n) is the least positive integer k such that k is a repdigit number in exactly n different bases B, where 1<B<k.at n=29A066460
• Triangle read by rows: T(n,k) is the number of walks (each step +-1) of length 2n which have a cumulative value of 0 last at step 2k.at n=47A067804
• Numbers n such that core(n)=floor(sqrt(n)), where core(x)=A007913(x) is the squarefree part of x and floor(sqrt(x))=A000196(x).at n=14A069186
• A subdiagonal of number array A082137.at n=5A082145
• Triangle: row #n has n+1 terms. T(n,m) = 4^m (2n+1)! / ( (2n-2m)! (2m+1)! ).at n=23A085841
• Triangle of coefficients, read by rows, where T(n,k) is the coefficient of x^n*y^k in f(x,y) that satisfies f(x,y) = 1/(1-x) - x^2/(1-x)^2 + xy*f(x,y)^2.at n=62A086610
• Numbers that can be expressed as the difference of the squares of primes in exactly five distinct ways.at n=20A092001
• Numbers whose set of base 12 digits is {0,B}, where B base 12 = 11 base 10.at n=12A097258
• a(n) = 4*n*(4*n - 1).at n=36A104188