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A037073 (6n)^2 is the sum of a twin prime pair. 13
1, 2, 7, 8, 12, 14, 15, 29, 34, 44, 51, 62, 68, 76, 79, 91, 99, 100, 107, 125, 142, 147, 156, 162, 163, 173, 190, 202, 212, 231, 245, 252, 253, 264, 295, 306, 317, 330, 331, 355, 366, 376, 377, 386, 397, 442, 448, 453, 462, 469, 481, 491, 498, 502, 516, 547 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..56.

C. K. Caldwell, Twin primes

EXAMPLE

E.g. n=44 -> (6*44)^2 = 69696 = 34847 + 34849 (twin prime pair)

MATHEMATICA

Select[Sqrt[Plus@@@Select[Partition[Prime[Range[4*10^5]], 2, 1], Differences[#]=={2} &]/36], IntegerQ] (* Jayanta Basu, May 26 2013 *)

CROSSREFS

Cf. A000290, A001359, A006512.

A152786 = 6*A037073. - Zak Seidov, Aug 20 2010

Sequence in context: A053013 A070044 A129850 * A047239 A246389 A231625

Adjacent sequences:  A037070 A037071 A037072 * A037074 A037075 A037076

KEYWORD

nonn

AUTHOR

G. L. Honaker, Jr.

EXTENSIONS

More terms from Jud McCranie, Dec 30 2000

STATUS

approved

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Last modified June 26 02:24 EDT 2017. Contains 288749 sequences.