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!)
A210023 a(0)=1. Let S = string of digits of a(0),a(1),a(2),... To get a(n+1) (n>=0), subtract next element of S from a(n) if that would give a positive number different from a(0),...,a(n), otherwise add it to a(n). 3
1, 2, 4, 8, 16, 15, 9, 10, 5, 14, 13, 13, 18, 17, 21, 20, 23, 22, 19, 20, 12, 11, 18, 20, 21, 23, 23, 25, 28, 26, 24, 25, 34, 32, 32, 31, 29, 30, 31, 32, 40, 38, 38, 36, 35, 33, 36, 38, 41, 39, 44, 42, 50, 48, 54, 52, 56, 58, 53, 56, 60, 57, 55, 58, 60, 63, 62, 64, 73, 70, 70, 67, 66, 69, 71, 75, 75, 72, 80, 77, 85, 82, 76, 79, 74, 77, 80, 83, 89, 86, 78, 82, 81, 84, 93, 97, 101, 105, 103, 98, 98 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
COMMENTS
A base-dependent variant of Recamán's sequence A005132.
REFERENCES
Eric Angelini, Posting to Sequence Fans Mailing List, Mar 06 2012
LINKS
CROSSREFS
Cf. A005132, A210022 (for S), A210025, A210026.
Sequence in context: A066600 A210025 A309571 * A301807 A062116 A362896
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Mar 16 2012
EXTENSIONS
Corrected and extended by Max Alekseyev, Nov 11 2012
Offset corrected by N. J. A. Sloane, Jun 16 2021
STATUS
approved

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 March 3 17:29 EST 2024. Contains 370512 sequences. (Running on oeis4.)