190653
domain: N
Appears in sequences
- Triangular numbers which remain triangular when the most significant digit is moved to the end.at n=16A067269
- Smallest triangular numbers whose decimal expansion begins (nontrivially) with n-th triangular number.at n=18A229235
- Triangular numbers which have one or more occurrences of exactly six different digits.at n=23A241789
- a(n) = A063776(n) + 1.at n=21A283843
- a(n) = A063776(2*n) + 1.at n=10A283844