23049600
domain: N
Appears in sequences
- X-values of solutions to the equation X*(X + 1) - 6*Y^2 = 0.at n=8A132596
- a(n) = -(sin(2*n*arccos(sqrt(3))))^2.at n=4A173115
- a(n) = 16*n*(n+1)*(2*n+1)^2.at n=24A322677
- Numbers k such that P(k)^3 | k and P(k+1)^2 | (k+1), where P(k) = A006530(k) is the largest prime dividing k.at n=21A354564
- Numbers k such that P(k)^4 | k and P(k+1)^2 | (k+1), where P(k) = A006530(k) is the largest prime dividing k.at n=2A354566
- a(n) = n^3*sigma_2(n).at n=28A386746