Number of (not necessarily maximal) cliques in the n X n king graph.

Terms

a(0) =2a(1) =16a(2) =50a(3) =104a(4) =178a(5) =272a(6) =386a(7) =520a(8) =674a(9) =848a(10) =1042a(11) =1256a(12) =1490a(13) =1744a(14) =2018a(15) =2312a(16) =2626a(17) =2960a(18) =3314a(19) =3688a(20) =4082a(21) =4496a(22) =4930a(23) =5384a(24) =5858a(25) =6352a(26) =6866a(27) =7400a(28) =7954a(29) =8528