|
| |
|
|
A225738
|
|
Number of numbers k such that k < d(k)^(n/10), where d(k) is the number of divisors of k.
|
|
11
|
|
|
|
0, 1, 1, 3, 4, 4, 7, 14, 21, 29, 52, 89, 155, 284, 528, 1018, 2046, 4282, 9272, 21466, 50967
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
10,4
|
|
|
LINKS
|
|
|
|
MATHEMATICA
|
Table[f = 0; Do[If[k < DivisorSigma[0, k]^(n/10), f++], {k, 10^4}]; f, {n, 10, 20}]
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
