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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A046454 Concatenation of the 5 prime factors of composite a(n) is a palindrome. 0
32, 243, 3125, 16807, 19875, 38955, 51909, 75117, 85683, 94605, 96195, 158389, 161051, 182427, 185493, 205905, 261443, 261555, 320385, 323253, 397047, 439593, 451209, 504357, 507969, 584647, 613977, 617799, 718977, 719955, 795417, 839523 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..31.

EXAMPLE

320385 = 3 * 5 * 13 * 31 * 53 -> 35133153 is palindromic.

CROSSREFS

Cf. A046447.

Sequence in context: A050752 A153159 A113850 * A050997 A056572 A226098

Adjacent sequences:  A046451 A046452 A046453 * A046455 A046456 A046457

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Jul 15 1998

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
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 12 04:21 EST 2019. Contains 329051 sequences. (Running on oeis4.)