A038347 Sum of first n primes of form 4k-1.

3, 10, 21, 40, 63, 94, 137, 184, 243, 310, 381, 460, 543, 646, 753, 880, 1011, 1150, 1301, 1464, 1631, 1810, 2001, 2200, 2411, 2634, 2861, 3100, 3351, 3614, 3885, 4168, 4475, 4786, 5117, 5464, 5823, 6190, 6569, 6952, 7371, 7802, 8241, 8684, 9147, 9614

Offset

1,1

Links

Robert Israel, Table of n, a(n) for n = 1..10000

Maple

ListTools:-PartialSums(select(isprime, [seq(i, i=3..1000, 4)])); # Robert Israel, Feb 27 2017

Mathematica

Accumulate[Select[Prime[Range[250]], Mod[#, 4]==3&]] (* Harvey P. Dale, Jul 04 2013 *)

Crossrefs

Cf. A002145, A038346, A078586.

Sequence in context: A374496 A146012 A027917 * A338089 A294365 A210980

Adjacent sequences: A038344 A038345 A038346 * A038348 A038349 A038350

Keyword

easy,nonn

Author

Den Roussel (DenRoussel(AT)webtv.net)

Status

approved