Numbers k such that k/10 + 1 is a square.

Terms

a(0) =-10a(1) =0a(2) =30a(3) =80a(4) =150a(5) =240a(6) =350a(7) =480a(8) =630a(9) =800a(10) =990a(11) =1200a(12) =1430a(13) =1680a(14) =1950a(15) =2240a(16) =2550a(17) =2880a(18) =3230a(19) =3600a(20) =3990a(21) =4400a(22) =4830a(23) =5280a(24) =5750a(25) =6240a(26) =6750a(27) =7280a(28) =7830a(29) =8400