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A163389
The position of first occurrence of n-th prime in A014085.
0
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
1,2
EXAMPLE
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.
PROG
(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
CROSSREFS
Cf. A014085.
Sequence in context: A069982 A009883 A333904 * A172126 A025621 A056486
KEYWORD
nonn
AUTHOR
Daniel Tisdale, Jul 26 2009
EXTENSIONS
Extended by Ray Chandler, May 10 2010
STATUS
approved