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A093397 Absolute value of difference between counts of uninterrupted runs of single nonprimes in A093183 and A093184. 6
0, 1, 2, 6, 9, 31, 88, 205 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..8.

FORMULA

Take the absolute value of differences between counts of runs of single nonprimes congruent to 1 mod 4 and 3 mod 4

EXAMPLE

a(3)=2 because in A093183 the count is 74 and in A093184 the count is 76. 76-74=2.

CROSSREFS

Cf. A093183 A093184 A092636 A092637 A092638.

Sequence in context: A103019 A101823 A242421 * A082459 A129831 A101713

Adjacent sequences:  A093394 A093395 A093396 * A093398 A093399 A093400

KEYWORD

nonn

AUTHOR

Enoch Haga, Mar 30 2004

STATUS

approved

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Last modified March 21 07:23 EDT 2019. Contains 321367 sequences. (Running on oeis4.)