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A173883 a(n) = number of iterations in the sequence of classes of prime numbers for prime(n). 0
0, 0, 0, 0, 0, 1, 1, 2, 2, 2, 3, 2, 2, 3, 2, 2, 2, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 4, 4, 4, 4, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 8, 8, 8, 8, 6, 5, 4, 4, 4, 4, 4, 6, 4, 5, 4, 5, 4, 5, 5, 4, 4, 4, 4, 5, 6, 5, 4, 6, 4, 4, 4, 4, 4, 4, 4, 8, 8, 8, 8, 8, 8, 8 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,8

REFERENCES

Alexander S. Karpenko, Lukasiewicz's Logics and Prime Numbers, Luniver Press, Beckington, 2006, pp. 98-102.

LINKS

Table of n, a(n) for n=2..89.

CROSSREFS

Cf. A058340, A096827, A175177, A175178, A175179.

Sequence in context: A279408 A135592 A022912 * A022922 A239141 A195352

Adjacent sequences:  A173880 A173881 A173882 * A173884 A173885 A173886

KEYWORD

nonn

AUTHOR

Artur Jasinski, Mar 01 2010

EXTENSIONS

Edited, corrected and extended by Arkadiusz Wesolowski, Jan 19 2013

STATUS

approved

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Last modified March 30 04:57 EDT 2017. Contains 284297 sequences.