20158709760
domain: N
Appears in sequences
- Number of nonsingular n X n matrices over GF(2) (order of the group GL(n,2)); order of Chevalley group A_n (2); order of projective special linear group PSL_n(2).at n=6A002884
- Order of universal Chevalley group A_5 (q), q = prime power.at n=0A003803
- Order of simple Chevalley group A_5(q), q = prime power.at n=0A003810
- List of orders of finite simple groups which are unit groups of rings.at n=12A239892
- Triangle read by rows: T(n,k) is the number of n X n matrices of rank k over F_2.at n=27A286331
- Triangle read by rows: T(n,k) is the number of surjective linear mappings from an n-dimensional vector space over F_2 onto a k-dimensional vector space, n>=0, 0<=k<=n.at n=27A288853
- Triangle read by rows. Number of invertible linear operators T on an n-dimensional vector space over GF(2) such that T(U) = U for some given k-dimensional subspace U.at n=21A302346
- Triangle read by rows. Number of invertible linear operators T on an n-dimensional vector space over GF(2) such that T(U) = U for some given k-dimensional subspace U.at n=27A302346
- Triangle read by rows: T(n,k) is the number of ordered direct sum decompositions of the vector space GF(2)^n containing exactly k subspaces.at n=27A303535
- Array read by antidiagonals: T(n,k) is the order of the group GL(n,Z_k).at n=34A316622
- Array read by antidiagonals: T(n,k) is the order of the group SL(n,Z_k).at n=34A316623
- a(n) = Product_{d|n} (d*sigma(d)) where sigma(k) = the sum of the divisors of k (A000203).at n=31A324980
- a(n) = Product_{d|n} lcm(d, sigma(d)) where sigma(k) is the sum of divisors of k (A000203).at n=31A334805
- Triangular array read by rows: T(n,k) is the number of periodic n X n matrices over GF(2) having rank k, n>=0, 0<=k<=n.at n=26A348622
- Triangular array read by rows: T(n,k) is the number of periodic n X n matrices over GF(2) having rank k, n>=0, 0<=k<=n.at n=27A348622
- Triangular array read by rows. T(n,k) = A002884(n)/A002884(n-k)*2^((n-k)(n-k-1)), n>=0, 0<=k<=n.at n=26A348958
- Triangular array read by rows. T(n,k) = A002884(n)/A002884(n-k)*2^((n-k)(n-k-1)), n>=0, 0<=k<=n.at n=27A348958
- Triangular array read by rows: T(n,k) = A002884(k)*2^((n-k)(n-k-1)), n >= 0, 0 <= k <= n.at n=27A349545
- Triangular array read by rows: T(n,k) = A002884(k)*2^((n-k)(n-k-1)), n >= 0, 0 <= k <= n.at n=34A349545
- Triangular array read by rows. T(n,k) is the number of n X n matrices T over GF(2) such that there are exactly 2^k vectors v in GF(2)^n with Tv=v, n>=0, 0<=k<=n.at n=21A379105