login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A066980 Numbers k such that antid(k) > antid(k+1) and santid(k) > santid(k+1), where antid(k) = A066272 and santid(k) = A066417. 1
5, 7, 13, 15, 18, 23, 25, 28, 32, 33, 35, 38, 43, 45, 47, 50, 53, 55, 60, 63, 67, 68, 73, 77, 78, 83, 85, 88, 95, 98, 105, 108, 110, 113, 115, 117, 123, 127, 128, 130, 133, 137, 138, 140, 143, 145, 150, 153, 155, 158, 162, 163, 165, 168, 172, 173, 175, 176, 178, 182 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Amiram Eldar, Table of n, a(n) for n = 1..10000

CROSSREFS

Cf. A066272, A066417.

Sequence in context: A050079 A314313 A339921 * A055052 A314314 A314315

Adjacent sequences:  A066977 A066978 A066979 * A066981 A066982 A066983

KEYWORD

easy,nonn

AUTHOR

Jason Earls, Sep 09 2002

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 6 12:38 EST 2021. Contains 349563 sequences. (Running on oeis4.)