Self-convolution square root of A322197.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =5a(5) =16a(6) =61a(7) =268a(8) =1329a(9) =7336a(10) =44585a(11) =295772a(12) =2126715a(13) =16477258a(14) =136864245a(15) =1213428718a(16) =11438634553a(17) =114254173932