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A081166
Number of distinct primes dividing
A060114
(n).
3
0, 0, 1, 2, 2, 3, 3, 3, 4, 5, 6, 12, 16, 20, 31, 50, 70, 106, 143
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OFFSET
0,4
LINKS
Table of n, a(n) for n=0..18.
CROSSREFS
a(n) =
A001221
(
A060114
(n)). Cf.
A081165
.
Sequence in context:
A227398
A003105
A240856
*
A173910
A036846
A227396
Adjacent sequences:
A081163
A081164
A081165
*
A081167
A081168
A081169
KEYWORD
nonn
AUTHOR
Antti Karttunen
&
Wouter Meeussen
Mar 10 2003
STATUS
approved
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Last modified April 18 03:01 EDT 2024. Contains 371767 sequences. (Running on oeis4.)