A083550 Product of 2 consecutive prime differences of two successive terms of A001223.

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

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: A198428 A365251 A357159 * A160161 A129279 A008496

Adjacent sequences: A083547 A083548 A083549 * A083551 A083552 A083553

Keyword

nonn

Author

Labos Elemer, May 22 2003

Status

approved