Numbers n such that A193232(n) is a triangular number.

Terms

a(0) =0a(1) =1a(2) =5a(3) =9a(4) =45a(5) =49a(6) =101a(7) =153a(8) =1569a(9) =7163a(10) =7171a(11) =8162a(12) =18974a(13) =18976a(14) =24467a(15) =33490a(16) =60290a(17) =63046a(18) =359539a(19) =551494a(20) =1769418a(21) =2813691a(22) =4140392a(23) =4649729a(24) =6675935a(25) =9653486a(26) =59131393a(27) =158169499a(28) =243345386a(29) =588183781