A163389 The position of first occurrence of n-th prime in A014085.

1, 4, 10, 16, 39, 45, 57, 82, 79, 117, 134, 192, 193, 218, 240, 256, 284, 343, 359, 415, 386, 467, 484, 501, 550, 627, 595, 739, 612, 724, 815, 785, 872, 868, 1007, 998, 1064, 1154, 1086, 1134, 1173, 1181, 1260, 1304, 1357, 1291, 1515, 1502, 1545, 1638, 1590

Offset: 1

Author

Daniel Tisdale, Jul 26 2009

Keywords

• nonn

Examples

			The first ten terms of A014085 are 2,2,2,3,2,4,3,4,3,5. prime(1) = 2 is the first element, prime(2) = 3 is the 4th element, prime(3)= 5 is the 10th element; so 1,4,10 are the first three elements of this sequence.
		

Crossrefs

Cf. A014085.

Programs

PARI

f(n) = primepi((n+1)^2)-primepi(n^2); \\ A014085
a(n) = my(k=1, p=prime(n)); while(f(k) != p, k++); k; \\ Michel Marcus, Aug 16 2022

Extensions

Extended by Ray Chandler, May 10 2010