|
Search: id:A075904
|
|
|
| A075904 |
|
Numbers n such that n^4 has n as a substring of its decimal expansion. |
|
+0
3
|
|
| 1, 5, 6, 10, 25, 50, 60, 76, 83, 92, 100, 107, 211, 217, 250, 352, 363, 376, 500, 556, 600, 625, 636, 760, 863, 909, 935, 1000, 1531, 1636, 2263, 2500, 2503, 3630, 3760, 4342, 5000, 5001, 6000, 6250, 7245, 7600, 8578, 9350, 9376, 10000
(list; graph; listen)
|
|
|
OFFSET
|
1,2
|
|
|
EXAMPLE
|
6^4 = 129_6, 83^4 = 4745_83_21, 2503^4 = 39_2503_37770081.
|
|
MATHEMATICA
|
Select[Range[10000], StringPosition[ToString[ #^4], ToString[ # ]] != {} &] - Tanya Khovanova (tanyakh(AT)yahoo.com), Oct 11 2007
|
|
CROSSREFS
|
Cf. A029942, A075905.
Sequence in context: A035111 A035282 A075156 this_sequence A018834 A029943 A063630
Adjacent sequences: A075901 A075902 A075903 this_sequence A075905 A075906 A075907
|
|
KEYWORD
|
base,nonn
|
|
AUTHOR
|
Zak Seidov (zakseidov(AT)yahoo.com), Sep 27 2002
|
|
EXTENSIONS
|
More terms from Tanya Khovanova (tanyakh(AT)yahoo.com), Oct 11 2007
|
|
|
Search completed in 0.002 seconds
|
