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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A137901 Limiting sequence when we start with positive integers (A000027) and at step n >= 1 add to the term at position n + a(n) the value 1. 2
1, 3, 3, 4, 6, 7, 7, 9, 9, 10, 12, 12, 14, 15, 15, 16, 18, 19, 19, 21, 21, 22, 24, 25, 25, 26, 28, 28, 30, 31, 31, 33, 33, 34, 36, 36, 38, 39, 39, 40, 42, 43, 43, 45, 45, 46, 48, 48, 50 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..49.

FORMULA

Limiting sequence when we start with positive integers (A000027) and at step n >= 1 add to the term at position n + a(n) the value 1.

MAPLE

P:=proc(i) local a, n, v; v:=array(1..i); for n from 1 by 1 to i do v[n]:=n; od; for n from 1 by 1 to 200 do v[v[n]+n]:=v[v[n]+n]+1; od; for n from 1 by 1 to 200 do print(v[n]); od; end: P(1000); # Paolo P. Lava, Mar 10 2009

CROSSREFS

Cf. A000027, A136119, A137319, A137417, A137418, A136259, A136272.

Sequence in context: A098238 A088651 A161019 * A138095 A023837 A240115

Adjacent sequences:  A137898 A137899 A137900 * A137902 A137903 A137904

KEYWORD

easy,nonn

AUTHOR

Ctibor O. Zizka, Apr 30 2008

EXTENSIONS

Entries corrected and extended by Paolo P. Lava, Mar 10 2009

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 April 17 18:52 EDT 2021. Contains 343070 sequences. (Running on oeis4.)