a(n) = A061909(n)^2.

Terms

a(0) =0a(1) =1a(2) =4a(3) =9a(4) =100a(5) =121a(6) =144a(7) =169a(8) =400a(9) =441a(10) =484a(11) =900a(12) =961a(13) =10000a(14) =10201a(15) =10404a(16) =10609a(17) =12100a(18) =12321a(19) =12544a(20) =12769a(21) =14400a(22) =14641a(23) =14884a(24) =16900a(25) =40000a(26) =40401a(27) =40804a(28) =44100a(29) =44521