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A162526 Numbers k whose largest divisor <= sqrt(k) equals 6. 17
36, 42, 48, 54, 60, 66, 78, 102, 114, 138, 174, 186, 222, 246, 258, 282, 318, 354, 366, 402, 426, 438, 474, 498, 534, 582, 606, 618, 642, 654, 678, 762, 786, 822, 834, 894, 906, 942, 978, 1002, 1038, 1074, 1086, 1146, 1158, 1182, 1194, 1266, 1338, 1362 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
See A161344 for more information.
LINKS
FORMULA
Numbers k such that A033676(k)=6.
MAPLE
A033676 := proc(n) local dvs; dvs := sort(convert(numtheory[divisors](n), list)) ; op(floor((nops(dvs)+1)/2) , dvs) ; end: for n from 1 to 2000 do if A033676(n) = 6 then printf("%d, ", n) ; fi; od: # R. J. Mathar, Jul 13 2009
MATHEMATICA
ld6Q[n_]:=Last[Select[Divisors[n], #<=Sqrt[n]&]]==6; Select[Range[ 1400], ld6Q] (* Harvey P. Dale, Mar 08 2012 *)
CROSSREFS
Sequence in context: A261258 A261372 A044862 * A078299 A225028 A239802
KEYWORD
easy,nonn
AUTHOR
Omar E. Pol, Jul 05 2009
EXTENSIONS
More terms from R. J. Mathar, Jul 13 2009
STATUS
approved

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Last modified March 28 22:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)