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A144651 Consider pairs of numbers m,n such that UnitaryPhi(m)=UnitaryPhi(n)= (3*m^(1/2)-2*n^(1/2))^2, m<n. Sequence gives m. 1
8954982400, 146700521676800, 273857689763840, 8383654522880000 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
If m=n then only one example m=n=1 exists.
LINKS
EXAMPLE
Factorization :
2^12*5^2*7*13*31^2
2^13*5^2*7*13*8191*31^2
2^14*5*7^2*13*43*127*31^2
2^15*5^4*7*13*31*151*31^2
CROSSREFS
Sequence in context: A270612 A331412 A204407 * A345863 A346257 A345723
KEYWORD
nonn,more
AUTHOR
Yasutoshi Kohmoto, Jan 19 2009
STATUS
approved

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Last modified April 24 02:28 EDT 2024. Contains 371917 sequences. (Running on oeis4.)