Number of parity perfect graphs on n nodes.

Terms

a(0) =1a(1) =2a(2) =4a(3) =11a(4) =31a(5) =116a(6) =466a(7) =2207a(8) =11258a(9) =63098a(10) =379448a(11) =2496922a(12) =18441849a(13) =163588975