Numbers k such that 2k + 1 divides 2^k + k^2.

Terms

a(0) =0a(1) =1a(2) =313a(3) =30853a(4) =42992a(5) =247753a(6) =584989a(7) =4130748a(8) =4390945a(9) =4780473a(10) =5871073a(11) =7615813a(12) =8123113a(13) =13514233a(14) =13971013a(15) =19128653a(16) =19392433a(17) =43794833a(18) =51644173a(19) =67314973a(20) =69522073a(21) =108168073a(22) =124498753a(23) =124510153a(24) =177694105a(25) =198750308a(26) =208302253a(27) =212791885a(28) =230815033