OFFSET
1,1
LINKS
Jianing Song, Table of n, a(n) for n = 1..10001
FORMULA
a(n) = Sum_{k=1..n} A002144(k). - Michel Marcus, Oct 18 2021
MATHEMATICA
Accumulate[Select[Prime[Range[100]], IntegerQ[(#-1)/4]&]] (* Harvey P. Dale, Jul 25 2011 *)
PROG
(PARI) a(n) = my(s=0); forprime(p=2, , if(p%4==1, s+=p; if(n--<1, return(s)))) \\ following Charles R Greathouse IV's program for A078586
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Den Roussel (DenRoussel(AT)webtv.net)
EXTENSIONS
Offset corrected by Jianing Song, Oct 18 2021
STATUS
approved