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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A032614 Concatenation of n and n + 9 or {n,n+9}. 2
110, 211, 312, 413, 514, 615, 716, 817, 918, 1019, 1120, 1221, 1322, 1423, 1524, 1625, 1726, 1827, 1928, 2029, 2130, 2231, 2332, 2433, 2534, 2635, 2736, 2837, 2938, 3039, 3140, 3241, 3342, 3443, 3544, 3645, 3746, 3847, 3948, 4049, 4150 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

Tanya Khovanova, Non Recursions

FORMULA

a(n)=n*10^floor(log10(n+9)+1)+n+9, with n>=0 [From Paolo P. Lava (paoloplava(AT)gmail.com), Oct 09 2008]

CROSSREFS

Cf. A001704, A020338.

Sequence in context: A200070 A146081 A103652 * A120727 A134213 A028995

Adjacent sequences:  A032611 A032612 A032613 * A032615 A032616 A032617

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), May 15, 1998.

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

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

Last modified February 13 08:12 EST 2012. Contains 205451 sequences.