Numbers k such that distances from k to three nearest squares are three triangular numbers.

Terms

a(0) =1a(1) =10a(2) =15a(3) =19a(4) =26a(5) =197a(6) =253a(7) =325a(8) =631a(9) =1090a(10) =1522a(11) =2395a(12) =3601a(13) =4434a(14) =4625a(15) =6571a(16) =9026a(17) =11026a(18) =11116a(19) =14631a(20) =15454a(21) =19045a(22) =22501a(23) =35722a(24) =38431a(25) =41210a(26) =53036a(27) =61505a(28) =65521a(29) =66239