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A340696 Lower of a pair of adjacent perfect powers x^p and y^q with p, q >= 4. 2
64, 243, 279841, 62742241, 418161601, 149398068185838130176 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
If it exists, the next term is > 10^34.
There are no more terms up to 10^36. - Jon E. Schoenfield, Jan 23 2022
LINKS
EXAMPLE
n a(n) A340697(n)
1 64 = 2^6, 81 = 3^4
2 243 = 3^5, 256 = 2^8
3 279841 = 23^4, 279936 = 6^7
4 62742241 = 89^4, 62748517 = 13^7
5 418161601 = 143^4, 418195493 = 53^5
6 149398068185838130176 = 10836^5, 149398068209479362001 = 110557^4
CROSSREFS
The corresponding upper member of the pair is A340697.
Sequence in context: A228687 A349109 A223332 * A333428 A197605 A198071
KEYWORD
nonn,hard,more
AUTHOR
Hugo Pfoertner, Jan 21 2021
STATUS
approved

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Last modified April 14 15:45 EDT 2024. Contains 371665 sequences. (Running on oeis4.)