Number of edges in LCM of graphs K_n and C_4.

Terms

a(0) =0a(1) =1a(2) =12a(3) =24a(4) =60a(5) =90a(6) =168a(7) =224a(8) =324a(9) =45a(10) =660a(11) =264a(12) =1092a(13) =546a(14) =1680a(15) =960a(16) =2312a(17) =153a(18) =3420a(19) =760a(20) =4620a(21) =1386a(22) =6072a(23) =2208a(24) =7500a(25) =325a(26) =9828a(27) =1512a(28) =12180a(29) =2610