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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 (list; graph; refs; listen; history; text; internal format)
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 August 9 23:26 EDT 2020. Contains 336335 sequences. (Running on oeis4.)