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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A115681 Brilliant numbers (A078972) whose digit reversal is the product of 2 palindromes greater than 1. 0
4, 6, 9, 21, 121, 253, 407, 451, 559, 583, 667, 671, 803, 869, 2173, 2537, 5063, 5183, 5893, 10201, 13231, 15251, 16171, 18281, 19291, 22523, 22733, 24743, 25283, 26563, 27383, 28583, 28783, 31613, 35653, 37673, 38683, 40567, 45349, 46217 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..40.

EXAMPLE

22523=101*223 is brilliant and 32522=2*16261.

CROSSREFS

Cf. A078972, A115683.

Sequence in context: A115698 A039566 A032817 * A137253 A035135 A046338

Adjacent sequences:  A115678 A115679 A115680 * A115682 A115683 A115684

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Jan 31 2006

STATUS

approved

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 May 21 21:50 EDT 2013. Contains 225505 sequences.