A337385 - OEIS

A337385

Odd numbers k for which A003973(k) >= 2*A003961(k).

334639305, 1003917915, 1265809545, 1353106755, 1673196525, 2109682575, 2255177925, 2342475135, 2553826275, 2691663975, 2729952225, 2953555605, 2982654675, 3011753745, 3128150025, 3157249095, 3234846615, 3258330075, 3419140725, 3442113675, 3681032355, 3797428635, 3855626775, 4059320265, 4292112825, 4350310965

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OFFSET

1,1

COMMENTS

Provided that there are no odd perfect numbers, then applying A003961 to each term and sorting into ascending order gives A115414.

Apparently, all terms are divisible by 255255 = 3*5*7*11*13*17. - Hugo Pfoertner, Sep 24 2020

LINKS

Table of n, a(n) for n=1..26.

Index entries for sequences computed from indices in prime factorization

Index entries for sequences related to sigma(n)

PROG

(PARI)