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A217680 The number of iterations giving new primes for the bases of A217679. 3
2, 2, 1, 2, 4, 4, 2, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

For bases through 5, see the EXAMPLE to A217673.  For base 170, see that for A217679. This is a full listing in the form 'base:{primes}' for those in between.

20:{4332833,172223,12113,2063},

22:{2197633,98929,9697,2017},

25:{2548003, 73303},

29:{1239661,33427},

39:{438887},

43:{371869},

46:{173629},

58:{244021},

70:{145753,3433},

85:{82903},

88:{114229},

89:{95881},

98:{79357},

99:{65921},

103:{30529},

105:{109883},

108:{96323},

116:{54751},

119:{40283},

122:{27541},

126:{117973,1277},

142:{92821},

144:{84466},

154:{66853}

LINKS

Table of n, a(n) for n=1..29.

CROSSREFS

Cf. A217673, A217679.

Sequence in context: A048299 A232084 A261359 * A144218 A098691 A035364

Adjacent sequences:  A217677 A217678 A217679 * A217681 A217682 A217683

KEYWORD

nonn,base,fini,less

AUTHOR

James G. Merickel, Oct 10 2012

STATUS

approved

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Last modified February 22 21:26 EST 2018. Contains 299469 sequences. (Running on oeis4.)