login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual Appeal: Today, Nov 11 2014, is the 4th anniversary of the launch of the new OEIS web site. 70,000 sequences have been added in these four years, all edited by volunteers. Please make a donation (tax deductible in the US) to help keep the OEIS running.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A041012 Concatenate the next a(n) integers to get the n+1 term. 0
1, 2, 34, 35363738394041424344454647484950515253545556575859606162636465666768 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..3.

FORMULA

a(n+1) = (a(n)+1).(a(n)+2). ... .(a(n)+a(n))

CROSSREFS

Sequence in context: A230244 A045529 A077747 * A042459 A042353 A193576

Adjacent sequences:  A041009 A041010 A041011 * A041013 A041014 A041015

KEYWORD

base,easy,nonn

AUTHOR

Dann Toliver

STATUS

approved

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

Content is available under The OEIS End-User License Agreement .

Last modified December 21 09:07 EST 2014. Contains 252300 sequences.