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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A028414 Palindromes of form n^2+(n+1). 2
1, 3, 7, 111, 343, 757, 10101, 15751, 30103, 1001001, 1255521, 1403041, 1837381, 3372733, 3521253, 3847483, 100010001, 141979141, 10000100001, 14181118141, 16112621161, 35297579253, 35475157453, 37011411073 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..24.

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

CROSSREFS

A028413.

Sequence in context: A243734 A158467 A260824 * A014014 A289629 A015884

Adjacent sequences:  A028411 A028412 A028413 * A028415 A028416 A028417

KEYWORD

nonn,base

AUTHOR

Patrick De Geest

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy .

Last modified July 19 12:47 EDT 2018. Contains 312775 sequences. (Running on oeis4.)