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A238896 Number of times that the number A238895(n) occurs in the sum of proper divisors function (A001065). 3
0, 1, 2, 3, 5, 6, 8, 9, 10, 13, 15, 20, 21, 24, 25, 27, 32, 34, 41, 44, 46, 56, 59, 70, 74, 76, 86, 92, 99, 115, 116, 129, 138, 145, 156, 164, 169, 171, 193, 199, 222, 223, 242, 246, 268, 270, 278, 295, 304, 334, 343, 365, 397, 398, 433, 452, 471, 482, 521 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..59.

MATHEMATICA

nn = 1000; s = Table[0, {nn}]; Do[k = DivisorSigma[1, n] - n; If[0 < k <= nn, s[[k]]++], {n, nn^2}]; mx = -1; t = {}; Do[If[s[[n]] > mx, mx = s[[n]]; AppendTo[t, {n, mx}]], {n, 2, nn}]; Transpose[t][[2]]

CROSSREFS

Cf. A001065, A005114, A048138, A238895.

Sequence in context: A087067 A166018 A225745 * A190842 A273106 A191179

Adjacent sequences:  A238893 A238894 A238895 * A238897 A238898 A238899

KEYWORD

nonn

AUTHOR

T. D. Noe, Mar 10 2014

STATUS

approved

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Last modified May 25 08:37 EDT 2017. Contains 287015 sequences.