120125
domain: N
Appears in sequences
- Numbers whose base-7 representation has exactly 7 runs.at n=16A043622
- Numbers that factorize into a prime number of factors all raised to different prime exponents and no number appears both as an exponent and as a prime factor.at n=27A114131
- Braille natural numbers (including zero), using "0" as digit concatenation mark.at n=28A220090
- a(n) = Sum_{k=0..n} C(2*k, k)^2 * C(n+k, n-k).at n=5A243945
- Terms of A216427 that are the sum of two coprime terms of A216427.at n=3A307134