175560
domain: N
Appears in sequences
- Orders of noncyclic simple groups (without repetition).at n=34A001034
- Orders of sporadic simple groups.at n=2A001228
- a(n) = binomial(n+5,5)*(n+3)/3.at n=17A040977
- Products of 4 consecutive integers: a(n) = n*(n-1)*(n-2)*(n-3).at n=22A052762
- a(n) = n*(n-1)*(n-2)*(n-3) for n>=5.at n=22A052768
- a(n) = 3*n*(3*n-1)*(3*n-2).at n=19A054776
- a(n) = lcm(3n+1, 3n+2, 3n+3).at n=18A061495
- Numbers having more than one representation as the product of consecutive integers > 1.at n=4A064224
- Numbers k such that phi(k) < k/5.at n=21A066765
- a(n) = (2n+1)*(2n+2)*(2n+3).at n=27A069072
- a(n) = (4*n-1)*4*n*(4*n+1).at n=14A069140
- a(n) = (2^(n-1)/(2n)!)*Product_{k=1..n} q(k) where q(n) is the denominator of B(2n), the 2n-th Bernoulli number.at n=26A069267
- a(n) is the smallest k such that k + 1 and n*k + 1 both are perfect squares, or 0 if no such number exists.at n=53A084702
- a(n) = 4*n^4 + 24*n^3 + 48*n^2 + 36*n + 8.at n=13A086302
- Numbers that can be expressed as the difference of the squares of primes in exactly sixteen distinct ways.at n=0A092012
- Least number that can be expressed as the difference of the squares of primes in exactly n distinct ways.at n=15A092204
- Triangle a(n,k) read by rows n which contain columns k=1,2,..,n, where each entry is the product of numbers (k-1)*n-T(k-2)+1 through k*n-T(k-1).at n=24A093447
- Numbers having more than one representation as the product of consecutive integers.at n=7A100934
- The r-th term of the n-th row of the following triangle contains product of r successive numbers in decreasing order beginning from T(n)-T(r-1) where T(n) is the n-th triangular number. 1 3 2 6 20 6 10 72 210 24 15 182 1320 3024 120 ... Sequence contains the triangle by rows.at n=24A110768
- Numbers k such that phi(k)*sigma(k) is a cube.at n=32A114077