Nonpalindromic triangular numbers whose digit reversal is also a triangular number (possibly with fewer digits).

A069673

Nonpalindromic triangular numbers whose digit reversal is also a triangular number (possibly with fewer digits).

Terms

    a(0) =10a(1) =120a(2) =153a(3) =190a(4) =300a(5) =351a(6) =630a(7) =820a(8) =17578a(9) =87571a(10) =156520a(11) =180300a(12) =185745a(13) =547581a(14) =557040a(15) =678030a(16) =1461195a(17) =1851850a(18) =5911641a(19) =6056940a(20) =12145056a(21) =12517506a(22) =16678200a(23) =56440000a(24) =60571521a(25) =65054121a(26) =157433640a(27) =188267310a(28) =304119453a(29) =354911403

External references