Triangle read by rows: D*(n,m) is the number of direct-sum decompositions of a finite vector space of dimension n with m blocks over GF(2) with a block containing any given nonzero vector.
A270882
Triangle read by rows: D*(n,m) is the number of direct-sum decompositions of a finite vector space of dimension n with m blocks over GF(2) with a block containing any given nonzero vector.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =2a(6) =0a(7) =1a(8) =16a(9) =12a(10) =0a(11) =1a(12) =176a(13) =560a(14) =224a(15) =0a(16) =1a(17) =3456a(18) =40000a(19) =53760a(20) =13440a(21) =0a(22) =1a(23) =128000a(24) =5848832a(25) =20951040a(26) =15554560a(27) =2666496a(28) =0a(29) =1
External references
- oeis: A270882