Size of the edge set of the Generalized Lucas Cube Q_n(111).

Terms

a(0) =0a(1) =1a(2) =4a(3) =9a(4) =16a(5) =40a(6) =90a(7) =189a(8) =400a(9) =828a(10) =1690a(11) =3421a(12) =6864a(13) =13676a(14) =27090a(15) =53385a(16) =104736a(17) =204680a(18) =398610a(19) =773889a(20) =1498320a(21) =2893632a(22) =5575658a(23) =10721381a(24) =20577072a(25) =39424100a(26) =75412714a(27) =144040437a(28) =274743952a(29) =523380516