[seqfan] Re: A076757

[wouter meeussen]

with A077510 ::  Numbers n such that n + pi(n) is a prime.
then A076757 is not a subset of them, but rather  "primes of the form  n +
pi(n) "

(#+PrimePi[#])&/@Select[Range[350], PrimeQ[#+PrimePi[#]]&]

Wouter.



----- Original Message ----- 
From: "Harvey P. Dale" <hpd1 at nyu.edu>
To: "Sequence Fanatics Discussion list" <seqfan at list.seqfan.eu>
Sent: Saturday, November 19, 2011 3:32 PM
Subject: [seqfan] A076757


> There is something wrong with this sequence, as it contains
> terms that do not appear in A077510 of which it is supposed to be a
> subset.
>
> Harvey
>
>
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