33177600

Appears in sequences

• Euler totient function phi values of multiperfect numbers.at n=14A098203
• Square-factorial numbers: a(1) = 1, a(n+1) = a(n) * largest square divisor of (n+1).at n=24A100777
• Square-factorial numbers: a(1) = 1, a(n+1) = a(n) * largest square divisor of (n+1).at n=25A100777
• Triangle of polynomial coefficients related to 3F2([1,n+1,n+1],[n+2,n+2],z).at n=27A162990
• The first right hand column of triangle A162990.at n=6A162991
• Sorted number of edges of distinct solutions in the mix of 2 or 3 regular convex 4-polytopes.at n=28A199808
• Records in A114183.at n=30A222193
• Triangle read by rows, T(n,k) = ((-1)^k*(2*n)!/4^k)*P[n,k](1/((2*n-1)*(2*n))) where P is the inverse P-transform, for n>=0 and 0<=k<=n.at n=29A269943
• Denominators of the Fabius function F(1/2^n).at n=5A272757
• Denominators of the Fabius function F(3/2^n).at n=3A277430
• Positions of records in A050377, number of ways to factor n into "Fermi-Dirac primes" (A050376).at n=25A330687
• Array T(n, m) read by ascending antidiagonals: denominators of shifted Fubini numbers F(n, m) where m >= 0.at n=48A338876
• Number A(n,k) of n*(k+1)-step k-dimensional nonnegative closed lattice walks starting at the origin and using steps that increment all components or decrement one component by 1; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=38A340591
• Integers k such that A008472(k) / A001222(k) = 1/2.at n=33A390139