Number of (not necessarily maximal) cliques in the n-Sierpinski gasket graph.

Terms

a(0) =8a(1) =20a(2) =55a(3) =160a(4) =475a(5) =1420a(6) =4255a(7) =12760a(8) =38275a(9) =114820a(10) =344455a(11) =1033360a(12) =3100075a(13) =9300220a(14) =27900655a(15) =83701960a(16) =251105875a(17) =753317620a(18) =2259952855a(19) =6779858560a(20) =20339575675a(21) =61018727020a(22) =183056181055a(23) =549168543160