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A167607 Sum of cousin prime pairs. 2
10, 18, 30, 42, 78, 90, 138, 162, 198, 210, 222, 258, 330, 390, 450, 462, 558, 618, 630, 702, 762, 798, 882, 918, 930, 978, 1002, 1230, 1290, 1350, 1482, 1518, 1542, 1650, 1710, 1722, 1758, 1770, 1818, 1878, 1938, 2022, 2178, 2190, 2430, 2562, 2598, 2610, 2850, 2862, 2898, 2970, 2982, 3102 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

All terms are divisible by two. Except for the first term, all terms are divisible by three.

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Eric Weisstein's World of Mathematics, Cousin Primes

Wikipedia, Cousin Prime

EXAMPLE

The sum of the cousin primes 223 and 227 is 450.

MATHEMATICA

2Select[Prime[Range[200]], PrimeQ[# + 4] &] + 4 (* Alonso del Arte, Feb 01 2013 *)

Join[{10}, Total/@Select[Partition[Prime[Range[300]], 2, 1], #[[2]]-#[[1]] == 4&]] (* Harvey P. Dale, Apr 12 2020 *)

CROSSREFS

Cf. A023200

Sequence in context: A230356 A100992 A256382 * A162828 A190038 A233695

Adjacent sequences:  A167604 A167605 A167606 * A167608 A167609 A167610

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi, Nov 07 2009

STATUS

approved

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Last modified August 11 05:38 EDT 2020. Contains 336422 sequences. (Running on oeis4.)