160022500
domain: N
Appears in sequences
- Squares k^2 whose digits appear in k.at n=23A029775
- Squares n such that sqrt(n) and n have the same set of digits.at n=12A029794
- Squares which can be split into two nonzero squares (perhaps with leading zeros) in exactly two different ways.at n=5A054738
- a(n) = binomial(n+4, n)^2. Square of the fifth diagonal sequence of A007318 (Pascal). Fifth diagonal sequence of A008459.at n=21A288876