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A080912 a(n) = first number that appears n times in A080900. 2
1, 523, 1277, 1277, 12694, 12694, 12692, 24154439, 186075352, 186074886 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Next term > 10^7. - Lambert Klasen (Lambert.Klasen(AT)gmx.net), Sep 26 2005

Next term > 26000000. - Lambert Herrgesell (zero815(AT)googlemail.com), Mar 09 2007

a(11) > 12*10^8. [Donovan Johnson, Sep 24 2009]

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Terms 181 through 200 of A080900 are: 502, 507, 512, 510, 515, 513, 518, 523, 521, 526, 531, 529, 527, 525, 523, 521, 519, 517, 522, 527 and at term 195 we see the first duplicate, 523. So a(2) = 523.

CROSSREFS

Cf. A080900, A080913 (when records occur).

Sequence in context: A031936 A066540 A209875 * A183830 A207212 A207206

Adjacent sequences:  A080909 A080910 A080911 * A080913 A080914 A080915

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Apr 02 2003

EXTENSIONS

One more term from Lambert Herrgesell (zero815(AT)googlemail.com), Mar 09 2007

a(9)-a(10) from Donovan Johnson, Sep 24 2009

STATUS

approved

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Last modified July 5 15:05 EDT 2022. Contains 355099 sequences. (Running on oeis4.)