333336
domain: N
Appears in sequences
- Smallest triangular number containing exactly n 3's.at n=4A036520
- Triangular numbers with every digit a triangular number.at n=21A062100
- Triangular numbers that contain exactly 2 different digits.at n=25A062691
- Triangular numbers with internal digits 3.at n=18A069695
- Smallest triangular number which begins with the concatenation of n times digits of n.at n=2A077693
- Triangular numbers using only the curved digits 0, 3, 6, 8 and 9.at n=20A079653
- Triangular numbers m such that A040115(m) is also triangular.at n=30A087597
- Numbers m such that all terms in the sequence m, A040115(m), A040115(A040115(m)), ..., 0 are triangular numbers (A000217).at n=19A087598
- Eighth column (m=7) of (1,4)-Pascal triangle A095666.at n=15A095670
- Numbers k such that k^2 is the concatenation of two numbers m and 8*m.at n=10A115550
- Triangular numbers composed of digits {0,3,6}.at n=9A119063
- Triangular numbers composed of digits {1,3,6}.at n=8A119115
- Numbers k such that the k-th triangular number contains only digits {1,5,6}.at n=37A119133
- Triangular numbers composed of digits {2,3,6}.at n=6A119154
- Triangular numbers composed of digits {3,4,6}.at n=5A119184
- Triangular numbers composed of digits {3,5,6}.at n=10A119186
- Triangular numbers composed of digits {3,6,7}.at n=6A119194
- Triangular numbers composed of digits {3,6,8}.at n=5A119196
- Triangular numbers composed of digits {3,6,9}.at n=5A119198
- Triangular numbers that are sums of twin prime pairs.at n=25A165966