BII-numbers of connectedness systems without singletons.

Terms

a(0) =0a(1) =4a(2) =16a(3) =32a(4) =64a(5) =68a(6) =80a(7) =84a(8) =96a(9) =100a(10) =112a(11) =116a(12) =256a(13) =288a(14) =512a(15) =528a(16) =1024a(17) =1028a(18) =1280a(19) =1284a(20) =1536a(21) =1540a(22) =1792a(23) =1796a(24) =2048a(25) =2052a(26) =4096a(27) =4112a(28) =4352a(29) =4368