|
| |
|
|
A061430
|
|
Geometric mean of the digits is an integer: k-digit numbers such that the product of the digits is a number of the form m^k.
|
|
5
| |
|
|
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 14, 19, 20, 22, 28, 30, 33, 40, 41, 44, 49, 50, 55, 60, 66, 70, 77, 80, 82, 88, 90, 91, 94, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 118, 120, 124, 130, 139, 140, 142, 150, 160, 170, 180, 181, 188, 190, 193
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,3
|
|
|
LINKS
| T. D. Noe, Table of n, a(n) for n=1..5000
|
|
|
EXAMPLE
| 694 is a term as (6*9*4)^(1/3) = 6 is an integer.
|
|
|
CROSSREFS
| Cf. A061426, A061427, A061428.
Sequence in context: A030294 A125668 A034894 * A065448 A194975 A069751
Adjacent sequences: A061427 A061428 A061429 * A061431 A061432 A061433
|
|
|
KEYWORD
| nonn,base,easy,nice
|
|
|
AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 03 2001
|
|
|
EXTENSIONS
| More terms from Naohiro Nomoto (6284968128(AT)geocities.co.jp), May 11 2001
|
| |
|
|
