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A072652 Ordered solutions greater than 1 to b^c=c^d, with multiplicity. 3
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; refs; listen; history; text; internal format)
OFFSET

2,1

COMMENTS

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.

LINKS

Table of n, a(n) for n=2..33.

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: A170836 A170875 A232342 * A058970 A223406 A075382

Adjacent sequences:  A072649 A072650 A072651 * A072653 A072654 A072655

KEYWORD

nonn

AUTHOR

Henry Bottomley, Jun 28 2002

STATUS

approved

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Last modified February 16 09:23 EST 2019. Contains 320161 sequences. (Running on oeis4.)