Coordination sequence T2 for feldspar.

Terms

a(0) =1a(1) =4a(2) =10a(3) =22a(4) =38a(5) =56a(6) =82a(7) =112a(8) =142a(9) =182a(10) =226a(11) =268a(12) =322a(13) =380a(14) =434a(15) =502a(16) =574a(17) =640a(18) =722a(19) =808a(20) =886a(21) =982a(22) =1082a(23) =1172a(24) =1282a(25) =1396a(26) =1498a(27) =1622a(28) =1750a(29) =1864