Indices of record high-points in the sequence of Sprague-Grundy values for Grundy's game.

Terms

a(0) =0a(1) =3a(2) =5a(3) =13a(4) =18a(5) =41a(6) =87a(7) =138a(8) =158a(9) =181a(10) =283a(11) =321a(12) =541a(13) =614a(14) =645a(15) =791a(16) =939a(17) =1016a(18) =1056a(19) =1291a(20) =1349a(21) =1393a(22) =1399a(23) =1535a(24) =1742a(25) =1882a(26) =2035a(27) =3029a(28) =3032a(29) =3197