a(n) = nearest integer to n^2 * sin(sqrt(n)).

Terms

a(0) =0a(1) =1a(2) =4a(3) =9a(4) =15a(5) =20a(6) =23a(7) =23a(8) =20a(9) =11a(10) =-2a(11) =-21a(12) =-46a(13) =-76a(14) =-111a(15) =-150a(16) =-194a(17) =-240a(18) =-289a(19) =-339a(20) =-389a(21) =-437a(22) =-484a(23) =-527a(24) =-566a(25) =-599a(26) =-626a(27) =-645a(28) =-656a(29) =-658