A110854 A155750(n)-A155067(n) = prime(2n+2)-prime(2n+1)-prime(2n)+prime(2n-1).

1, 0, 0, 4, 0, -4, 4, -4, 2, 2, 0, -2, 0, 0, 0, -2, 0, 4, 0, -4, 0, 0, 10, -10, 4, 4, -4, -4, 2, 6, -6, 0, 2, -4, 4, 0, -2, 4, 0, -6, 0, 2, 4, -6, 10, -8, 0, 8, 6, -8, -4, 0, 0, -4, 4, -4, 8, -6, 2, 6, -6, 4, 0, -4, -2, 2, 2, 6, -2, -2, -6, 6, -6, 0, 0, 0, 0, 6, -6, 2, -2, 2, 0, -2, -2, 0, 8, 0

Offset: 1

Author

Paul Curtz, Aug 25 2008

Keywords

• sign
• easy

Comments

Do the absolute values cover A004275?

Links

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

Programs

Mathematica

#[[4]]-#[[3]]-#[[2]]+#[[1]]&/@Partition[Prime[Range[200]],4,2] (* Harvey P. Dale, Oct 11 2020 *)

Extensions

Edited by R. J. Mathar, Feb 27 2009