|
Search: id:A048288
|
|
|
| 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)
|
|
|
Search completed in 0.002 seconds
|