28120

Appears in sequences

• a(n) = Product_{k|n} (n+1-k).at n=37A056819
• Sum of all partitions of n into distinct parts.at n=37A066189
• a(n) = n*(n - 1)*(n + 2)/2.at n=37A077414
• Sum of square displacements over all self-avoiding n-step walks on a square lattice with the first step specified. Numerator of mean square displacement s(n)=a(n)/A046661(n).at n=7A078797
• Convoluted convolved Fibonacci numbers G_6^(r).at n=35A089111
• Expansion of (sqrt(1+2x) + sqrt(1-2x))/(2*(1-2x)^(3/2)).at n=13A099325
• Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having k LDU's (n >= 0; 0 <= k <= floor((n-1)/3) for n >= 1).at n=24A128735
• Right edge of the triangle A045975.at n=37A204557
• Nonnegative values x of solutions (x, y) to the Diophantine equation x^2+(x+329)^2 = y^2.at n=26A205672
• Number of length n 0..1 arrays with each partial sum starting from the beginning no more than two standard deviations from its mean.at n=14A244825
• E.g.f. B = B(x,y) satisfies: A^2 + B^2 + C^2 = 1 + y^2 and A^3 + B^3 + C^3 = 1 + y^3, where functions A = A(x,y) and C = C(x,y) are described by A278885 and A278887, respectively.at n=86A278886
• 38-gonal numbers: a(n) = n*(18*n-17).at n=40A282850
• Partial sums of A294629.at n=30A294630
• a(n) = (n^4 + 5*n^3 + 11*n^2 + 7*n)/6.at n=19A332697
• a(n) = Sum_{k=1..n} tau( (n/gcd(k,n))^n ).at n=37A373002