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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
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
KEYWORD
nonn
AUTHOR
Naohiro Nomoto, May 18 2012
EXTENSIONS
a(9)-a(25) from Donovan Johnson, May 21 2012
STATUS
approved