Triangular numbers representable as b! + c^2.

Terms

a(0) =1a(1) =3a(2) =6a(3) =10a(4) =15a(5) =28a(6) =55a(7) =66a(8) =105a(9) =120a(10) =136a(11) =171a(12) =231a(13) =325a(14) =406a(15) =465a(16) =561a(17) =820a(18) =1081a(19) =1770a(20) =2016a(21) =2145a(22) =2211a(23) =3160a(24) =3321a(25) =5778a(26) =7750a(27) =11026a(28) =13041a(29) =13695