A350621 a(n) is the smallest k such that A350877(k) = prime(n), or -1 if prime(n) does not appear in A350877.

7, 2, 71, 25, 30, 345, 161, 148, 51, 34, 48, 63, 234, 40, 126, 73, 135, 192, 454, 97, 78, 24841, 433, 85, 17282073747557, 322, 102, 106544217, 207, 556

Offset: 1

Author

N. J. A. Sloane, Jan 23 2022

Keywords

• nonn
• more

Comments

Based on the data in A350620.

Crossrefs

Cf. A350877, A350618, A350620.

Extensions

a(25)-a(30) from Martin Ehrenstein, Jan 26 2022