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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; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..33.

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

CROSSREFS

A028414.

Sequence in context: A017089 A097269 A304054 * A282226 A082969 A173592

Adjacent sequences:  A028410 A028411 A028412 * A028414 A028415 A028416

KEYWORD

nonn,base

AUTHOR

Patrick De Geest

STATUS

approved

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