1050525
domain: N
Appears in sequences
- Triangular numbers obtained as the concatenation of 2*k and k.at n=8A226742
- 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=28A295768
- Hexagonal numbers that are products of smaller hexagonal numbers.at n=10A374373