Triangle read by rows: T(n,k) is the number of ways to choose a k-dimensional subspace U of an n-dimensional vector space over GF(2) and then choose a subspace of U.

A302595

Triangle read by rows: T(n,k) is the number of ways to choose a k-dimensional subspace U of an n-dimensional vector space over GF(2) and then choose a subspace of U.

Terms

    a(0) =1a(1) =2a(2) =1a(3) =5a(4) =6a(5) =1a(6) =16a(7) =35a(8) =14a(9) =1a(10) =67a(11) =240a(12) =175a(13) =30a(14) =1a(15) =374a(16) =2077a(17) =2480a(18) =775a(19) =62a(20) =1a(21) =2825a(22) =23562a(23) =43617a(24) =22320a(25) =3255a(26) =126a(27) =1a(28) =29212a(29) =358775

External references