%I #7 Jun 26 2022 02:36:52
%S 1,1,28,42386176,193887869660028067003488010240
%N a(n) = A004491(n)/2^(2n+1).
%C Normalized count of bent functions - see A004491 for details.
%C The old entry with this sequence number was a duplicate of A099040.
%Y Cf. A004491.
%K nonn
%O 0,3
%A _N. J. A. Sloane_, Sep 23 2008