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 A228024 Antiharmonic mean of the divisors of A228023(n) (the n-th primitive antiharmonic number). 5
 1, 13, 35, 85, 119, 185, 255, 313, 455, 481, 425, 455, 629, 841, 845, 741, 1183, 841, 1355, 1015, 1547, 1105, 1445, 2197, 1799, 2735, 3315, 2405, 3523, 2873, 2755, 3605, 4165, 4595, 4607, 5705, 5525, 5365, 7111, 7995, 5915, 7157, 6165, 8285, 5525, 9373, 10933, 11305, 7813 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS A228023 is the main entry for this sequence. LINKS Charles R Greathouse IV, Table of n, a(n) for n = 1..10000 FORMULA a(n) = sigma_2(A228023(n))/sigma(A228023(n)). CROSSREFS Cf. A228023, A227986, A176797. Sequence in context: A115161 A063300 A227986 * A243383 A242578 A192145 Adjacent sequences:  A228021 A228022 A228023 * A228025 A228026 A228027 KEYWORD nonn AUTHOR Charles R Greathouse IV and Jonathan Sondow, Aug 03 2013 STATUS approved

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Last modified January 20 10:18 EST 2022. Contains 350471 sequences. (Running on oeis4.)