A080913 - OEIS

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A080913

Value of index in A080900 when a number first appears for the n-th time.

1, 195, 525, 532, 6167, 6174, 6182, 12229008, 94219126, 94219751 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	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) = 195.`
	CROSSREFS	`Cf. A080900, A080912 (actual records).` `Sequence in context: A323975 A055970 A158225 * A157239 A158003 A225713` `Adjacent sequences: A080910 A080911 A080912 * A080914 A080915 A080916`
	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`

Last modified July 10 15:45 EDT 2020. Contains 335577 sequences. (Running on oeis4.)