A093398 Absolute value of difference between counts of uninterrupted runs of 2 nonprimes in A093185 and A093186.

1, 0, 3, 2, 43, 85, 42, 36, 3823, 192, 5114, 2797, 148220

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 2 nonprimes congruent to 1 mod 4 and 3 mod 4

Example

a(3)=3 because in A093185 the count is 33 and in A093186 the count is 36. 36-33=3.

Crossrefs

Cf. A093185 A093186 A092639 A092640 A092641.

Sequence in context: A260888 A065085 A321169 * A002680 A009395 A339513

Adjacent sequences: A093395 A093396 A093397 * A093399 A093400 A093401

Keyword

nonn,more

Author

Enoch Haga, Mar 30 2004

Extensions

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

Status

approved