

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
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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



