330360660
domain: N
Appears in sequences
- Triangular numbers T(k) that are three times another triangular number: T(k) such that T(k) = 3*T(m) for some m.at n=8A076140
- Triangular numbers composed of digits {0,3,6}.at n=14A119063
- Triangular numbers representable as Tx*Ty, where Tx>1 and Ty>1 are triangular numbers, in two or more ways.at n=6A225390