|
Search: id:A072652
|
|
|
| A072652 |
|
Ordered solutions greater than 1 to b^c=c^d, with multiplicity. |
|
+0
4
|
|
| 4, 16, 16, 27, 64, 256, 256, 729, 1024, 3125, 4096, 4096, 16384, 19683, 46656, 65536, 65536, 65536, 262144, 531441, 823543, 1048576, 1048576, 4194304, 9765625, 14348907, 16777216, 16777216, 16777216, 67108864, 268435456, 268435456
(list; graph; listen)
|
|
|
OFFSET
|
2,1
|
|
|
COMMENT
|
There are also infinite numbers of solutions giving 1, of the forms b^0=0^0, 1^c=c^0 and 1^1=1^d.
|
|
FORMULA
|
See A072651 for calculation method.
|
|
EXAMPLE
|
65536 appears three times because 256^2=2^16, 2^16=16^4, and 16^4=4^8 are all solutions, each coming to 65536.
|
|
CROSSREFS
|
Cf. A072651, A072653.
Sequence in context: A061093 A067178 A029659 this_sequence A058970 A075382 A009570
Adjacent sequences: A072649 A072650 A072651 this_sequence A072653 A072654 A072655
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Henry Bottomley (se16(AT)btinternet.com), Jun 28 2002
|
|
|
Search completed in 0.002 seconds
|
