Numbers k such that the k-th triangular number contains only digits {0,3,4}.
A119060
Numbers k such that the k-th triangular number contains only digits {0,3,4}.
Terms
- a(0) =2a(1) =24a(2) =77a(3) =82a(4) =2624a(5) =26242a(6) =29442a(7) =82877a(8) =2840082a(9) =82825117a(10) =93091399a(11) =774641122a(12) =816508460a(13) =9423378739a(14) =81731319999a(15) =246333119999
External references
- oeis: A119060