A093397 - OEIS

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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, 1636, 2884, 4569, 30270, 14874

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,3

LINKS

Table of n, a(n) for n=1..13.

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 * A332066 A082459 A129831

Adjacent sequences: A093394 A093395 A093396 * A093398 A093399 A093400

KEYWORD

nonn,more

AUTHOR

Enoch Haga, Mar 30 2004

EXTENSIONS

a(9)-a(13) from Robert Price, May 30 2019

STATUS

approved