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A078327 A078142(n) = A006530(n); n such that the sum of the differences of the distinct prime factors p of n and the next square larger than p is equal to the largest prime factor of n. 1
2, 4, 6, 8, 12, 15, 16, 18, 24, 32, 36, 45, 48, 54, 64, 72, 75, 96, 105, 108, 110, 128, 135, 144, 162, 192, 216, 220, 225, 256, 288, 315, 324, 375, 384, 385, 405, 432, 440, 486, 512, 525, 550, 576, 648, 675, 735, 768, 864, 880, 935, 945, 972, 1024, 1100, 1125 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Are there any other consecutive terms in this sequence other than 15,16 and 384,385?

LINKS

Table of n, a(n) for n=0..55.

CROSSREFS

Cf. A078142, A006530, A078328.

Sequence in context: A082742 A100195 A131197 * A214415 A094109 A090404

Adjacent sequences:  A078324 A078325 A078326 * A078328 A078329 A078330

KEYWORD

nonn

AUTHOR

Jason Earls, Nov 24 2002

STATUS

approved

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Last modified January 17 17:52 EST 2018. Contains 297829 sequences.