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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A028413 Numbers n such that n^2+(n+1) is a palindrome. 1
0, 1, 2, 10, 18, 27, 100, 125, 173, 1000, 1120, 1184, 1355, 1836, 1876, 1961, 10000, 11915, 100000, 119084, 126935, 187876, 188348, 192383, 196813, 1000000, 1010200, 1190915, 1228425, 1780728, 1821636, 1975356, 10000000 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

LINKS

P. De Geest, Palindromic quasi_over_squares of the form n^2+(n+1)

CROSSREFS

A028414.

Sequence in context: A126005 A017089 A097269 * A082969 A173592 A018227

Adjacent sequences:  A028410 A028411 A028412 * A028414 A028415 A028416

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com)

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 12 07:22 EST 2012. Contains 205378 sequences.