

A037072


Squares which are the sum of twin prime pairs.


3



36, 144, 1764, 2304, 5184, 7056, 8100, 30276, 41616, 69696, 93636, 138384, 166464, 207936, 224676, 298116, 352836, 360000, 412164, 562500, 725904, 777924, 876096, 944784, 956484
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OFFSET

1,1


COMMENTS

There are exactly 5^2 squares less than or equal to 1000^2 which are the sum of twin prime pairs.


LINKS

Table of n, a(n) for n=1..25.


EXAMPLE

36 (square) = 6^2 = 17 + 19 (twin prime pair).


MATHEMATICA

lst={}; Do[p=n^2; If[PrimeQ[p/21]&&PrimeQ[p/2+1], AppendTo[lst, p]], {n, 0, 7!, 2}]; lst (* Vladimir Joseph Stephan Orlovsky, Sep 25 2008 *)


CROSSREFS

Cf. A000290, A001359, A006512.
Sequence in context: A299854 A154711 A162992 * A076432 A003848 A203753
Adjacent sequences: A037069 A037070 A037071 * A037073 A037074 A037075


KEYWORD

nonn


AUTHOR

G. L. Honaker, Jr.


STATUS

approved



