Number of vertices of degree n in all Lucas cubes.

Terms

a(0) =2a(1) =5a(2) =15a(3) =39a(4) =102a(5) =267a(6) =699a(7) =1830a(8) =4791a(9) =12543a(10) =32838a(11) =85971a(12) =225075a(13) =589254a(14) =1542687a(15) =4038807a(16) =10573734a(17) =27682395a(18) =72473451a(19) =189737958a(20) =496740423a(21) =1300483311a(22) =3404709510a(23) =8913645219a(24) =23336226147a(25) =61095033222a(26) =159948873519a(27) =418751587335