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 A179941 Number of times n appears in a 100 X 100 multiplication table. 3
 1, 2, 2, 3, 2, 4, 2, 4, 3, 4, 2, 6, 2, 4, 4, 5, 2, 6, 2, 6, 4, 4, 2, 8, 3, 4, 4, 6, 2, 8, 2, 6, 4, 4, 4, 9, 2, 4, 4, 8, 2, 8, 2, 6, 6, 4, 2, 10, 3, 6, 4, 6, 2, 8, 4, 8, 4, 4, 2, 12, 2, 4, 6, 7, 4, 8, 2, 6, 4, 8, 2, 12, 2, 4, 6, 6, 4, 8, 2, 10, 5, 4, 2, 12, 4, 4, 4, 8, 2, 12, 4, 6, 4, 4, 4, 12, 2, 6, 6, 9 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Identical to A000005 and A179942 for n <= 100. LINKS T. D. Noe, Table of n, a(n) for n = 1..10000 FORMULA a(n) = 0 for n > 10000. EXAMPLE a(2) = 2 because the number 2 appears in 2 cells in a 100 X 100 multiplication table. MAPLE A179941 := proc(n) local a; a := 0 ; for x from 1 to 100 do y := n/x ; if type(y, 'integer') and y>0 and y < 100 then a := a+1 ; end if; end do: return a; end proc: seq(A179941(n), n=1..100); # R. J. Mathar, Aug 03 2010 MATHEMATICA Table[Count[Flatten[Times@@@Tuples[Range[100], {2}]], n], {n, 10000}]  (* Harvey P. Dale, Mar 24 2011 *) PROG (PARI) a(n)=sumdiv(n, d, d<101 && n/d<101) \\ Charles R Greathouse IV, Dec 27 2016 CROSSREFS Cf. A000005, A179942. Sequence in context: A134687 A184395 A329484 * A179942 A000005 A122667 Adjacent sequences:  A179938 A179939 A179940 * A179942 A179943 A179944 KEYWORD nonn,fini,full,less AUTHOR Dominick Cancilla, Aug 02 2010 EXTENSIONS More terms from R. J. Mathar, Aug 03 2010 a(100) corrected by Harvey P. Dale, Mar 24 2011 STATUS approved

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Last modified January 22 13:41 EST 2020. Contains 331149 sequences. (Running on oeis4.)