A068352 Numbers n such that n*tau(n)>prime(4*n) where tau(n)=A000005(n).

2520, 3360, 3600, 3780, 3960, 4200, 4320, 4620, 4680, 5040, 5280, 5400, 5460, 5544, 5760, 5880, 5940, 6048, 6120, 6240, 6300, 6480, 6552, 6600, 6720, 6840, 6930, 7020, 7140, 7200, 7392, 7560, 7800, 7920, 7980, 8064, 8160, 8190, 8280, 8316, 8400, 8568

Offset

1,1

Links

Table of n, a(n) for n=1..42.

Prog

(PARI) for(n=1, 8568, if(n*numdiv(n)>prime(4*n), print1(n, ", ")))

Crossrefs

Sequence in context: A145534 A166931 A131662 * A175754 A068547 A094515

Adjacent sequences: A068349 A068350 A068351 * A068353 A068354 A068355

Keyword

easy,nonn

Author

Benoit Cloitre, Feb 28 2002

Status

approved