Nearest integer to 2*n*log(n).

Terms

a(0) =0a(1) =0a(2) =3a(3) =7a(4) =11a(5) =16a(6) =22a(7) =27a(8) =33a(9) =40a(10) =46a(11) =53a(12) =60a(13) =67a(14) =74a(15) =81a(16) =89a(17) =96a(18) =104a(19) =112a(20) =120a(21) =128a(22) =136a(23) =144a(24) =153a(25) =161a(26) =169a(27) =178a(28) =187a(29) =195