812293020528
domain: N
Appears in sequences
- Solution to a Diophantine equation: each term is a triangular number and each term + 1 is a square.at n=16A006454
- Triangular numbers that differ from a square by 1.at n=25A182334
- Triangular numbers of the form p^k - 1, where p is a prime number and k >= 2.at n=7A225115
- Triangular numbers of the form p^2 - 1 where p is a prime.at n=5A227480
- Triangular numbers that are eight times another triangular number.at n=8A336626