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 A064371 Zero, together with positive numbers n such that the n-th prime + n is a square. 8
 0, 5, 12, 86, 105, 176, 214, 230, 241, 412, 503, 696, 1065, 1147, 1170, 1273, 1334, 2021, 2455, 2600, 2660, 2772, 3299, 3332, 3365, 4417, 4861, 6478, 6572, 8115, 8858, 8905, 9229, 9380, 9590, 9692, 9749, 10501, 10829, 11338, 11633, 11690, 12099 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Harry J. Smith, Table of n, a(n) for n = 1..300 MATHEMATICA Join[{0}, Transpose[Select[Table[{n, Prime[n]}, {n, 15000}], IntegerQ[ Sqrt[ Total[#]]]&]][[1]]] (* Harvey P. Dale, May 26 2011 *) PROG (PARI) j=[]; for(n=0, 20000, if(n==0 || issquare(prime(n)+n), j=concat(j, n))); j (PARI) { n=0; default(primelimit, 20000000); for (m=0, 10^9, if (m==0 || issquare(prime(m) + m), write("b064371.txt", n++, " ", m); if (n==300, break)) ) } \\ Harry J. Smith, Sep 14 2009 (MAGMA) [0] cat [n: n in [1..12500] | IsSquare(NthPrime(n)+n)]; // Bruno Berselli, May 26 2011 CROSSREFS Cf. A014688. Sequence in context: A235939 A215866 A219288 * A249478 A009414 A009426 Adjacent sequences:  A064368 A064369 A064370 * A064372 A064373 A064374 KEYWORD easy,nonn AUTHOR Jason Earls, Sep 26 2001 EXTENSIONS Edited by Harry J. Smith, Sep 14 2009 STATUS approved

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Last modified October 21 01:12 EDT 2019. Contains 328291 sequences. (Running on oeis4.)