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A131663 Numbers n where either n or n+1 is divisible by the numbers from 1 to 10. 0
720, 1799, 2519, 2520, 3240, 4319, 5039, 5040, 5760, 6839, 7559, 7560, 8280, 9359, 10079, 10080, 10800, 11879, 12599, 12600, 13320, 14399, 15119, 15120, 15840, 16919, 17639, 17640, 18360, 19439, 20159, 20160, 20880, 21959, 22679, 22680 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..35.

EXAMPLE

720 is divisible by 2, 3, 4, 5, 6, 8, 9 and 10; while 721 is divisible by 7.

MATHEMATICA

Select[Range[30000], Mod[ #, 8]*Mod[ # + 1, 8] == 0 && Mod[ #, 9]*Mod[ # + 1, 9] == 0 && Mod[ #, 5]*Mod[ # + 1, 5] == 0 && Mod[ #, 7]*Mod[ # + 1, 7] == 0 && Mod[ #, 8]*Mod[ # + 1, 8] == 0 && Mod[ #, 6]*Mod[ # + 1, 6] == 0 && Mod[ #, 10]*Mod[ # + 1, 10] == 0 &]

CROSSREFS

Sequence in context: A137493 A179669 A067808 * A090392 A253734 A112530

Adjacent sequences:  A131660 A131661 A131662 * A131664 A131665 A131666

KEYWORD

nonn

AUTHOR

Tanya Khovanova, Sep 13 2007

STATUS

approved

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Last modified March 27 01:05 EDT 2017. Contains 284141 sequences.