Initial pile sizes which guarantee a win for player 2 in a certain variant of Nim.

Terms

a(0) =2a(1) =3a(2) =5a(3) =6a(4) =7a(5) =8a(6) =11a(7) =13a(8) =18a(9) =19a(10) =22a(11) =26a(12) =30a(13) =43a(14) =70a(15) =71a(16) =76a(17) =84a(18) =140a(19) =153a(20) =223a(21) =224a(22) =392a(23) =394a(24) =405a(25) =681a(26) =689a(27) =696a(28) =1149a(29) =1164