login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A046383 Palindromes with exactly 9 palindromic prime factors (counted with multiplicity). 1
4224, 6336, 23232, 213312, 276672, 21755712, 23888832, 63577536, 63788736, 65499456, 67566576, 286121682, 2118338112, 2158888512, 2365885632, 2536556352, 2559999552, 2627117262, 2745665472, 5781111875, 6338118336, 42282628224, 52173037125, 80219291208 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Lars Blomberg, Table of n, a(n) for n = 1..234, terms < 10^16.

EXAMPLE

The palindrome 6338118336 is a term since it has 9 factors 2^6 3 11 3001003, all palindromic.

CROSSREFS

Cf. A046335.

Sequence in context: A109488 A245316 A046335 * A188789 A170777 A344243

Adjacent sequences: A046380 A046381 A046382 * A046384 A046385 A046386

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Jun 15 1998

EXTENSIONS

More terms from Lars Blomberg, Nov 06 2015

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 4 20:58 EST 2022. Contains 358570 sequences. (Running on oeis4.)