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

42, 336, 930, 2016, 2520, 2688, 4200, 6720, 5184, 4680, 11088, 10944, 14040, 16128, 12960, 23040, 18360, 27216, 23712, 51840, 64512, 32560, 34960, 76608, 63000, 98280, 73872, 51744, 131544, 115920, 562464, 1148160

Offset: 1

Author

Enoch Haga, Oct 23 2007

Keywords

• nonn
• fini
• full

Crossrefs

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

Programs

PARI

\\ See A134382.

Formula

a(n) = sigma(A134382(n)) = A000203(A134382(n)). - Jens Kruse Andersen, May 03 2008

Extensions

Corrected by Omar E. Pol, Mar 27 2008

Edited and values confirmed by N. J. A. Sloane, May 28 2008

a(31)-a(32) calculated from the data at A134382 by Amiram Eldar, Feb 16 2020

Keywords fini,full added by Max Alekseyev, Sep 18 2024