Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A048288
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A048288 Number of prime factors of reverse concatenation of numbers from 1 to n. +0
1
0, 2, 2, 2, 3, 2, 2, 4, 5, 3, 2, 3, 3, 4, 6, 4, 7, 10, 3, 5, 4, 5, 4, 5, 6, 9, 9, 5, 7, 8, 3, 6, 5 (list; graph; listen)
OFFSET

0,2

REFERENCES

Micha Fleuren, "Smarandache Factors and Reverse Factors", in Smarandache Notions Journal, Vol. 10, No. 1-2-3, Spring 1999, pp. 5-38.

LINKS

M. L. Perez et al., eds., Smarandache Notions Journal

M. Fleuren, Factors and primes of Smarandache sequences.

M. Fleuren, Smarandache Factors and Reverse factors

CROSSREFS

Cf. A046460, A046461, A046468.

Sequence in context: A104011 A099774 A142240 this_sequence A050677 A058013 A031356

Adjacent sequences: A048285 A048286 A048287 this_sequence A048289 A048290 A048291

KEYWORD

nonn,base

AUTHOR

Paul Jasper (jasperpaul(AT)hotmail.com)

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


AT&T Labs Research