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A109597 Concatenation of Harshad k and its 10's complement is a Harshad number. 0
10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 108, 192, 200, 220, 300, 400, 410, 444, 500, 600, 612, 700, 800, 864, 900, 1000, 1002, 1224, 1380, 1520, 1800, 1853, 2000, 2001, 2080, 2112, 2220, 2223, 2408, 2445, 2556, 2640, 2667, 2704, 2889, 2926, 3000, 3060, 3222 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
COMMENTS
Is (2000,2001) the only consecutive pair in this sequence?
LINKS
EXAMPLE
192 is a term because 10^3-192 = 808 and 192808 has digital sum 28 and
192808/28 = 6886.
CROSSREFS
Cf. A005349.
Sequence in context: A342855 A201014 A096092 * A194233 A263172 A008592
KEYWORD
base,easy,nonn
AUTHOR
Jason Earls, Jul 29 2005
STATUS
approved

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Last modified April 23 01:19 EDT 2024. Contains 371906 sequences. (Running on oeis4.)