Nearest integer to n^(11/2).

Terms

a(0) =0a(1) =1a(2) =45a(3) =421a(4) =2048a(5) =6988a(6) =19047a(7) =44467a(8) =92682a(9) =177147a(10) =316228a(11) =534146a(12) =861979a(13) =1338716a(14) =2012353a(15) =2941047a(16) =4194304a(17) =5854220a(18) =8016758a(19) =10793065a(20) =14310835a(21) =18715702a(22) =24172677a(23) =30867617a(24) =39008732a(25) =48828125a(26) =60583368a(27) =74559108