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A212327 Numbers n such that A001065(x)*x = n has at least two solutions. 3
36, 62480, 141440, 1245335, 1432640, 2286080, 6680960, 7660880, 27931280, 39685376, 116636864, 179299575, 318047135, 318523136, 358491735, 533718135, 709131500, 1119849500, 1122571695, 1814416175, 2081125376, 3565970135, 3991520000, 4141021500, 4483640576 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Products of pairs of amicable numbers are members of this sequence.
LINKS
Passawan Noppakaew and Prapanpong Pongsriiam, Product of Some Polynomials and Arithmetic Functions, J. Int. Seq. (2023) Vol. 26, Art. 23.9.1.
EXAMPLE
For n=36, A001065(6)*6 = 36, A001065(9)*9 = 36, therefore 36 is a term.
CROSSREFS
Sequence in context: A023111 A295927 A059493 * A053945 A357804 A097573
KEYWORD
nonn
AUTHOR
Naohiro Nomoto, May 18 2012
EXTENSIONS
a(9)-a(25) from Donovan Johnson, May 21 2012
STATUS
approved

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Last modified September 7 18:28 EDT 2024. Contains 375749 sequences. (Running on oeis4.)