OFFSET
1,4
COMMENTS
Do the absolute values cover A004275?
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
MATHEMATICA
#[[4]]-#[[3]]-#[[2]]+#[[1]]&/@Partition[Prime[Range[200]], 4, 2] (* Harvey P. Dale, Oct 11 2020 *)
CROSSREFS
KEYWORD
sign,easy
AUTHOR
Paul Curtz, Aug 25 2008
EXTENSIONS
Edited by R. J. Mathar, Feb 27 2009
STATUS
approved