Crystal ball sequence for the lattice C_6.

Terms

a(0) =1a(1) =73a(2) =985a(3) =6321a(4) =26577a(5) =85305a(6) =227305a(7) =528865a(8) =1110049a(9) =2149033a(10) =3898489a(11) =6704017a(12) =11024625a(13) =17455257a(14) =26751369a(15) =39855553a(16) =57926209a(17) =82368265a(18) =114865945a(19) =157417585a(20) =212372497a(21) =282469881a(22) =370879785a(23) =481246113a(24) =617731681a(25) =785065321a(26) =988591033a(27) =1234319185