login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A080913 Value of index in A080900 when a number first appears for the n-th time. 2

%I

%S 1,195,525,532,6167,6174,6182,12229008,94219126,94219751

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

%e 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.

%Y Cf. A080900, A080912 (actual records).

%K nonn,more

%O 1,2

%A _N. J. A. Sloane_, Apr 02 2003

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

%E a(9)-a(10) from _Donovan Johnson_, Sep 24 2009

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 6 16:13 EDT 2022. Contains 357269 sequences. (Running on oeis4.)