Numbers k such that k^3 divides 10^(k^2) + 1.

Terms

a(0) =1a(1) =11a(2) =253a(3) =11891a(4) =35167a(5) =45023a(6) =47927a(7) =96569a(8) =276859a(9) =640343a(10) =1035529a(11) =1102321a(12) =1652849a(13) =2221087a(14) =6367757a(15) =16339367a(16) =19588019a(17) =26499979a(18) =30096121a(19) =48669863a(20) =51809087a(21) =74901409a(22) =88023001a(23) =89007677a(24) =104391089a(25) =105080767a(26) =143938531