Positive integers m such that (m+4)^3 - m^3 is a square.

Terms

a(0) =6a(1) =28a(2) =110a(3) =416a(4) =1558a(5) =5820a(6) =21726a(7) =81088a(8) =302630a(9) =1129436a(10) =4215118a(11) =15731040a(12) =58709046a(13) =219105148a(14) =817711550a(15) =3051741056a(16) =11389252678a(17) =42505269660a(18) =158631825966a(19) =592022034208