25920
domain: N
Appears in sequences
- Orders of noncyclic simple groups (without repetition).at n=20A001034
- a(n) = n^2 * n!.at n=6A002775
- Values of phi(k) when phi(k) = phi(k+1).at n=32A003275
- Smallest number with 2n divisors.at n=34A003680
- Order of simple Chevalley group B_n (3).at n=0A003927
- Order of (usually) simple Chevalley group B_2(q), q = prime power.at n=1A003938
- Theta series of E_6 lattice.at n=17A004007
- Theta series of E_6 lattice.at n=22A004007
- The minimal numbers: sequence A005179 arranged in increasing order.at n=45A007416
- Theta series of lattice Kappa_8.at n=15A015235
- a(n) = (2*n - 3)n^2.at n=24A015238
- a(n) = Sum_{k=0..2n} (k+1)*T(n,k), where T is given by A026536.at n=9A027271
- Theta series of 10-dimensional lattice (C6 X SU(4,2)):C2 with minimal norm 4.at n=7A029770
- Highly factorable numbers: numbers with a record number of proper factorizations.at n=39A033833
- Triangle whose (i,j)-th entry is binomial(i,j)*4^(i-j)*6^j.at n=19A038236
- Triangle whose (i,j)-th entry is binomial(i,j)*6^(i-j)*4^j.at n=16A038258
- Least number with exactly n divisors that are at most its square root.at n=34A038549
- Triangle of numbers a(n,k) = number of terms in n X n determinant with 2 adjacent diagonals of k and k-1 0's (0<=k<=n).at n=38A047922
- Values of n^2 - 1 resulting from A050795.at n=14A050799
- Irregular triangle read by rows: T(n,k) = number of elements of order k in symmetric group S_n, for n >= 1, 1 <= k <= g(n), where g(n) = A000793(n) is Landau's function.at n=55A057731