A234850 Primes in A014692, i.e., of the form prime(k)-k+1, for some k.

2, 2, 3, 7, 11, 29, 43, 53, 61, 73, 97, 139, 149, 179, 223, 283, 313, 349, 373, 461, 467, 491, 541, 599, 619, 659, 727, 787, 859, 907, 911, 919, 941, 1019, 1087, 1091, 1187, 1223, 1249, 1283, 1301, 1321, 1433, 1471, 1481, 1511, 1523, 1543

Offset

1,1

Comments

The first term is listed twice because A014692(1) = 2-1+1 = A014692(2) = 3-2+1 = 2 both are prime; thereafter the sequence A014692 is strictly increasing, so there is no other duplicate value.

Links

Table of n, a(n) for n=1..48.

Formula

a(n) = prime(A234851(n)), prime = A000040.

Prog

(PARI) for(k=1, 999, isprime(p=prime(k)-k+1)&&print1(p", "))

Crossrefs

Cf. A234695.

Sequence in context: A065383 A087384 A179283 * A127165 A100683 A153940

Adjacent sequences: A234847 A234848 A234849 * A234851 A234852 A234853

Keyword

nonn

Author

M. F. Hasler, Dec 31 2013

Status

approved