Length of lists created by n substitutions k -> Range[ -Floor[Abs[k]/2],Floor[Abs[k]+3/2]] starting with {0}.

A084082

Length of lists created by n substitutions k -> Range[ -Floor[Abs[k]/2],Floor[Abs[k]+3/2]] starting with {0}.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =15a(4) =49a(5) =169a(6) =604a(7) =2212a(8) =8244a(9) =31128a(10) =118716a(11) =456337a(12) =1765251

External references