191791
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Beginning with 7, primes of the form: least multiple of the previous term followed by a 1. Beginning with 7, a(n) is the least prime of the form k*a(n-1)*10 +1.at n=3A113053
- a(n) = Sum_{k=0..n} binomial(2*n, n-k) * q(k), where q(k) is the number of partitions into distinct parts (A000009).at n=9A356281
- Prime numbersat n=17311