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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A032610 Concatenation of n and n + 5 or {n,n+5}. 2
16, 27, 38, 49, 510, 611, 712, 813, 914, 1015, 1116, 1217, 1318, 1419, 1520, 1621, 1722, 1823, 1924, 2025, 2126, 2227, 2328, 2429, 2530, 2631, 2732, 2833, 2934, 3035, 3136, 3237, 3338, 3439, 3540, 3641, 3742, 3843, 3944, 4045, 4146, 4247 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

FORMULA

a(n)=n*10^floor(log10(n+5)+1)+n+5, with n>=0 [From Paolo P. Lava (paoloplava(AT)gmail.com), Oct 09 2008]

CROSSREFS

Cf. A001704, A020338.

Sequence in context: A199013 A118642 A088247 * A067650 A123963 A073396

Adjacent sequences:  A032607 A032608 A032609 * A032611 A032612 A032613

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 16 14:37 EST 2012. Contains 205930 sequences.