125117
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- a(n) = b_n(p_(n+1)) where p_n is the n-th prime, b_n(1)=1, b_n(2)=p_n, and for k>=3, b_n(k) is the smallest number larger than b_n(k-1) such that, for all i<k, b_n(k) is relatively prime to b_n(i) iff k is relatively prime to i.at n=10A173381
- Number of compositions of n into distinct parts with exactly two descents.at n=32A241721
- Prime numbersat n=11744