A156150 - OEIS

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A156150

Primes p such that p+2 = 0 (mod pi(p)) and pi(p)=A000720(p) is prime.

1

31, 353, 9559783, 9559903

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

A subsequence of A156151.

LINKS

Table of n, a(n) for n=1..4.

FORMULA

a(n) = A000040(A156149(n))

PROG

(PARI) p=c=0; until(0, until( isprime(c++), p=nextprime(p+1)); (p+2)%c & next; print1( p", "))

CROSSREFS

Sequence in context: A197644 A295211 A261759 * A125419 A138440 A307008

Adjacent sequences: A156147 A156148 A156149 * A156151 A156152 A156153

KEYWORD

hard,more,nonn

AUTHOR

M. F. Hasler, Feb 04 2009

STATUS

approved