Number of irredundant sets in the n-Andrásfai graph.

Terms

a(0) =3a(1) =16a(2) =81a(3) =265a(4) =729a(5) =1786a(6) =4060a(7) =8833a(8) =18786a(9) =39586a(10) =83273a(11) =175463a(12) =370615a(13) =784290a(14) =1661122a(15) =3517669a(16) =7441936a(17) =15720066a(18) =33145015a(19) =69744491a(20) =146458013a(21) =306933394a(22) =642004440a(23) =1340415817a(24) =2793811726a(25) =5813791138a(26) =12080174037a(27) =25065845455a(28) =51943066643a(29) =107509343618