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 A061258 a(n)=Sum_{d|n} d*psi(d), where psi(d) is reduced totient function, cf. A002322. 5
 1, 3, 7, 11, 21, 21, 43, 27, 61, 63, 111, 53, 157, 129, 87, 91, 273, 183, 343, 151, 175, 333, 507, 117, 521, 471, 547, 305, 813, 261, 931, 347, 447, 819, 483, 431, 1333, 1029, 631, 327, 1641, 525, 1807, 781, 681, 1521, 2163, 373, 2101, 1563, 1095, 1103, 2757 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS a(n) = sum(A027750(n,k)*A002322(A027750(n,k)): k = 1..A000005(n)). - Reinhard Zumkeller, Sep 02 2014 LINKS Reinhard Zumkeller, Table of n, a(n) for n = 1..10000 PROG (Haskell) a061258 n = sum \$ zipWith (*) ds \$ map a002322 ds             where ds = a027750_row n -- Reinhard Zumkeller, Sep 02 2014 CROSSREFS Cf. A002322, A057660, A001001, A060640, A061259. Cf. A027750, A141258. Sequence in context: A178881 A244001 A333695 * A057660 A130972 A344483 Adjacent sequences:  A061255 A061256 A061257 * A061259 A061260 A061261 KEYWORD easy,nonn AUTHOR Vladeta Jovovic, Apr 21 2001 STATUS approved

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Last modified August 1 00:13 EDT 2021. Contains 346377 sequences. (Running on oeis4.)