Coordination sequence for root lattice B_10.

Terms

a(0) =1a(1) =200a(2) =7760a(3) =122264a(4) =1099040a(5) =6728168a(6) =31208560a(7) =117555640a(8) =376977472a(9) =1064088840a(10) =2708805776a(11) =6332774360a(12) =13786237280a(13) =28250329640a(14) =54959921840a(15) =102213292024a(16) =182747113600a(17) =315568484680a(18) =528350005968a(19) =860509231640