A093399 Absolute value of difference between counts of uninterrupted runs of 3 nonprimes in A093187 and A093188.

0, 1, 5, 4, 34, 116, 130, 241

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 3 odd nonprimes congruent to 1 mod 4 and 3 mod 4

Example

a(3)=5 because in A093187 the count is 10 and in A093188 the count is 5. 10-5=5.

Crossrefs

Cf. A093187 A093188 A092642 A092643 A092644.

Sequence in context: A297936 A298548 A078811 * A123233 A189748 A304151

Adjacent sequences: A093396 A093397 A093398 * A093400 A093401 A093402

Keyword

more,nonn

Author

Enoch Haga, Mar 30 2004

Status

approved