OFFSET
1,2
COMMENTS
In other words, a(n) is the least k such that the set {(1, prime(1)), (2, prime(2)), ..., (k, prime(k))} contains n aligned points (where prime(k) denotes the k-th prime number).
Is this sequence infinite?
LINKS
Rémy Sigrist, Table of n, a(n) for n = 1..102
Rémy Sigrist, PARI program
PROG
(PARI) \\ See Links section.
CROSSREFS
KEYWORD
nonn
AUTHOR
Rémy Sigrist, Sep 25 2024
STATUS
approved