A361331 Smallest index of n-th prime in A361330, or -1 if it does not appear.

1, 2, 5, 22, 160, 1770, 23022, 391390, 7436428

Offset

1,2

Comments

It appears that a(n) is growing as constant*primorial(n). - Scott R. Shannon, Mar 20, 2023

Links

Table of n, a(n) for n=1..9.

Crossrefs

Cf. A002110 (primorials), A351495, A361330.

Sequence in context: A001437 A067549 A262842 * A342967 A042933 A005203

Adjacent sequences: A361328 A361329 A361330 * A361332 A361333 A361334

Keyword

nonn,more

Author

Scott R. Shannon and N. J. A. Sloane, Mar 18 2023

Extensions

a(7)-a(8) from Winston de Greef, Mar 18 2023

a(9) from Scott R. Shannon, Mar 20 2023

Status

approved