Sequence by greedy construction satisfying Lucier-Sárközy difference set condition.

Terms

a(0) =1a(1) =4a(2) =9a(3) =12a(4) =33a(5) =36a(6) =57a(7) =60a(8) =65a(9) =68a(10) =119a(11) =122a(12) =209a(13) =212a(14) =217a(15) =220a(16) =623a(17) =626a(18) =713a(19) =716a(20) =721a(21) =724a(22) =745a(23) =748a(24) =897a(25) =900a(26) =987a(27) =990a(28) =2561a(29) =2564