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.
A288853
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.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =6a(6) =1a(7) =7a(8) =42a(9) =168a(10) =1a(11) =15a(12) =210a(13) =2520a(14) =20160a(15) =1a(16) =31a(17) =930a(18) =26040a(19) =624960a(20) =9999360a(21) =1a(22) =63a(23) =3906a(24) =234360a(25) =13124160a(26) =629959680a(27) =20158709760a(28) =1a(29) =127
External references
- oeis: A288853