A261470 - OEIS

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A261470

a(n) = prime(n+3) - prime(n+2) - prime(n+1) + prime(n).

1, 2, 0, 0, 0, 0, 4, -2, 0, 2, -4, 0, 4, 2, -4, 0, 2, -4, 2, 2, 0, 4, -2, -6, 0, 0, 0, 12, 0, -8, -2, 4, 0, -4, 4, -2, 0, 2, -4, 4, 0, -6, 0, 8, 10, -8, -10, 0, 4, -2, 4, 4, -4, 0, -4, 0, 2, -4, 6, 12, -6, -12, 0, 12, 2, -4, -4, -6, 4, 4, 0, -2, -2, 0, 4, -2, 0

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

FORMULA

a(n) = A001223(n+2) - A001223(n). - Reinhard Zumkeller, Aug 22 2015

EXAMPLE

a(5) = 19 - 17 - 13 + 11 = 0.

MATHEMATICA

Table[Prime[i+3] - Prime[i+2] - Prime[i+1] + Prime[i], {i, 100}] (* G. C. Greubel, Aug 20 2015 *)

PROG