A bisection of A063522.

Terms

a(0) =0a(1) =17a(2) =154a(3) =531a(4) =1268a(5) =2485a(6) =4302a(7) =6839a(8) =10216a(9) =14553a(10) =19970a(11) =26587a(12) =34524a(13) =43901a(14) =54838a(15) =67455a(16) =81872a(17) =98209a(18) =116586a(19) =137123a(20) =159940a(21) =185157a(22) =212894a(23) =243271a(24) =276408a(25) =312425a(26) =351442a(27) =393579a(28) =438956a(29) =487693