A048598 Partial sums of the sequence (A001097) of twin primes.

3, 8, 15, 26, 39, 56, 75, 104, 135, 176, 219, 278, 339, 410, 483, 584, 687, 794, 903, 1040, 1179, 1328, 1479, 1658, 1839, 2030, 2223, 2420, 2619, 2846, 3075, 3314, 3555, 3824, 4095, 4376, 4659, 4970, 5283, 5630, 5979, 6398, 6819, 7250

Offset

1,1

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Example

a(5) = 39 because 3 + 5 + 7 + 11 + 13 = 39.

Mathematica

Accumulate[Union[Flatten[Select[Partition[Prime[Range[100]], 2, 1], #[[2]] - #[[1]]==2&]]]] (* Harvey P. Dale, Apr 29 2012 *)

Crossrefs

Cf. A048599.

Sequence in context: A071148 A172289 A172296 * A049717 A241565 A359210

Adjacent sequences: A048595 A048596 A048597 * A048599 A048600 A048601

Keyword

easy,nonn

Author

Den Roussel (DenRoussel(AT)webtv.net)

Extensions

More terms from Michael Lugo (mlugo(AT)thelabelguy.com), Dec 22 1999

Status

approved