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A083550 Product of 2 consecutive prime differences of two successive terms of A001223. 2
2, 4, 8, 8, 8, 8, 8, 24, 12, 12, 24, 8, 8, 24, 36, 12, 12, 24, 8, 12, 24, 24, 48, 32, 8, 8, 8, 8, 56, 56, 24, 12, 20, 20, 12, 36, 24, 24, 36, 12, 20, 20, 8, 8, 24, 144, 48, 8, 8, 24, 12, 20, 60, 36, 36, 12, 12, 24, 8, 20, 140, 56, 8, 8, 56, 84, 60, 20, 8, 24, 48, 48, 36, 24, 24, 48 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Hauke Löffler, Table of n, a(n) for n = 1..10000

FORMULA

a(n) = A001223(n)*A001223(n+1) = (prime(n+1)-prime(n))*(prime(n+2)-prime(n+1)).

MATHEMATICA

f[x_] := Prime[x+1]-Prime[x]

Table[f[w+1]*f[w], {w, 1, 128}]

CROSSREFS

Cf. A001223, A083538-A083555, A057467.

Sequence in context: A141532 A197000 A198428 * A160161 A129279 A008496

Adjacent sequences:  A083547 A083548 A083549 * A083551 A083552 A083553

KEYWORD

nonn

AUTHOR

Labos Elemer, May 22 2003

STATUS

approved

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Last modified February 18 04:48 EST 2020. Contains 332011 sequences. (Running on oeis4.)