133333333332
domain: N
Appears in sequences
- Number of Fibonacci numbers F(k), k <= 10^n, which end in 3.at n=11A073551
- Numbers k such that the k-th triangular number contains only digits {0,7,8}.at n=21A119094
- Numbers k such that the k-th triangular number contains only digits {3,7,8}.at n=16A119201
- Numbers k such that the k-th triangular number contains only digits {4,7,8}.at n=16A119217
- Numbers k such that the k-th triangular number contains only digits {5,7,8}.at n=24A119225
- Numbers k such that the k-th triangular number contains only digits {6,7,8}.at n=17A119231
- Numbers k such that the k-th triangular number contains only digits {7,8,9}.at n=12A119237