A078691 - OEIS

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A078691

Numbers n such that the n-th difference between 2 successive primes equals the squarefree part of n.

1, 2, 54, 96, 98, 216, 288, 350, 512, 1176, 2166, 2178, 2904, 3174, 3872, 4056, 5046, 5618, 7350, 9248, 11094, 12150, 12482, 15000, 15138, 15842, 16038, 16200, 16810, 16928, 17496, 18490, 21600, 22898, 25088, 27378, 29400, 31974, 33800, 35000

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

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..40.

FORMULA

n such that A001223(n)=A007913(n)

CROSSREFS

Sequence in context: A087865 A278843 A083471 * A280754 A113028 A200195

Adjacent sequences: A078688 A078689 A078690 * A078692 A078693 A078694

KEYWORD

nonn

AUTHOR

Benoit Cloitre, Dec 17 2002

STATUS

approved