1788886
domain: N
Appears in sequences
- Smallest triangular number with digit sum n (or 0 if no such number exists).at n=45A062688
- Doubly hexagonal numbers.at n=22A063249
- Duplicate of A062688.at n=46A067181
- Triangular numbers with strictly increasing sum of digits.at n=17A068808
- Triangular numbers that can be represented as a sum of two distinct triangular numbers, and as a product of two triangular numbers greater than 1.at n=31A295768
- Hexagonal numbers that are products of smaller hexagonal numbers.at n=12A374373