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A134386 Values of n*d(k)*sopf(k) associated with A134382. 4

%I #20 Feb 16 2020 02:42:47

%S 42,336,930,2016,2520,2688,4200,6720,5184,4680,11088,10944,14040,

%T 16128,12960,23040,18360,27216,23712,51840,64512,32560,34960,76608,

%U 63000,98280,73872,51744,131544,115920,562464,1148160

%N Values of n*d(k)*sopf(k) associated with A134382.

%F a(n) = sigma(A134382(n)) = A000203(A134382(n)). - _Jens Kruse Andersen_, May 03 2008

%o See A134382.

%Y Cf. A000005, A000203, A008472, A134382, A134383, A134384, A134385.

%K nonn,more

%O 1,1

%A _Enoch Haga_, Oct 23 2007

%E Corrected by _Omar E. Pol_, Mar 27 2008

%E Edited and values confirmed by _N. J. A. Sloane_, May 28 2008

%E a(31)-a(32) calculated from the data at A134382 by _Amiram Eldar_, Feb 16 2020

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Last modified April 24 13:38 EDT 2024. Contains 371957 sequences. (Running on oeis4.)