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 A144648 Consider pairs of numbers m,n such that UnitaryPhi(m)=UnitaryPhi(n)= (3*m^(1/2)-2*n^(1/2))^2, m
 10147737600, 166240237363200, 310334052188160, 9500311941120000 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS If m=n then only one example m=n=1 exists. LINKS Table of n, a(n) for n=1..4. EXAMPLE Factorization : 2^12*5^2*7*13*3^2*11^2 2^13*5^2*7*13*8191*3^2*11^2 2^14*5*7^2*13*43*127*3^2*11^2 2^15*5^4*7*13*31*151*3^2*11^2 CROSSREFS Cf. A047994, A144651. Sequence in context: A173051 A159569 A159292 * A098143 A276590 A259152 Adjacent sequences: A144645 A144646 A144647 * A144649 A144650 A144651 KEYWORD nonn,more AUTHOR Yasutoshi Kohmoto, Jan 19 2009 STATUS approved

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Last modified May 30 14:34 EDT 2024. Contains 372968 sequences. (Running on oeis4.)