A143585 a(n) is the prime index of A146214(n).

2, 28, 530, 7793, 97255, 1175775, 13804822, 157523559, 1768264167, 19589296501, 214795459468

Offset

0,1

Links

Table of n, a(n) for n=0..10.

Formula

a(n) = primepi(A146214(n)) = A000720(A146214(n)).

Crossrefs

Cf. A000720, A146214.

Sequence in context: A241365 A240771 A012745 * A277309 A363305 A326282

Adjacent sequences: A143582 A143583 A143584 * A143586 A143587 A143588

Keyword

nonn,more

Author

Zak Seidov, Oct 30 2008

Extensions

Offset corrected by Amiram Eldar, Sep 05 2024

Status

approved