Number of sublattices of index n in generic 6-dimensional lattice.

Terms

a(0) =1a(1) =63a(2) =364a(3) =2667a(4) =3906a(5) =22932a(6) =19608a(7) =97155a(8) =99463a(9) =246078a(10) =177156a(11) =970788a(12) =402234a(13) =1235304a(14) =1421784a(15) =3309747a(16) =1508598a(17) =6266169a(18) =2613660a(19) =10417302a(20) =7137312a(21) =11160828a(22) =6728904a(23) =35364420a(24) =12714681a(25) =25340742a(26) =25095280a(27) =52294536a(28) =21243690a(29) =89572392