|
Search: id:A051639
|
|
|
| A051639 |
|
Concatenation of 3^k, k = 0,..,n. |
|
+0
1
|
|
| 1, 13, 139, 13927, 1392781, 1392781243, 1392781243729, 1392781243729187, 13927812437291876561, 1392781243729187656119683, 139278124372918765611968359049, 139278124372918765611968359049177147
(list; graph; listen)
|
|
|
OFFSET
|
0,2
|
|
|
REFERENCES
|
A. Murthy, Smarandache Notions Journal, Vol. 11 N. 1-2-3 Spring 2000
|
|
EXAMPLE
|
139 belongs to the sequence because it is the concatenation of 3^0, 3^1 and 3^2.
|
|
CROSSREFS
|
Sequence in context: A125425 A016145 A064103 this_sequence A138931 A157160 A045742
Adjacent sequences: A051636 A051637 A051638 this_sequence A051640 A051641 A051642
|
|
KEYWORD
|
base,nonn
|
|
AUTHOR
|
Felice Russo (felice.russo(AT)katamail.com), Nov 15 1999
|
|
|
Search completed in 0.002 seconds
|
