A092641 Absolute value of difference between counts of uninterrupted runs of 2 primes in A092639 and A092640.

0, 3, 6, 15, 29, 117, 500, 1136, 4475, 3065, 8440

Offset

1,2

Links

Table of n, a(n) for n=1..11.

Formula

Take the absolute value of the difference between counts of runs of 2 primes congruent to 1 mod 4 and 3 mod 4.

Example

a(2)=3 because in A092639 the count is 2 and in A092640 the count is 5. 5 - 3 = 2.

Crossrefs

Cf. A092639, A092640.

Sequence in context: A000220 A244705 A319643 * A077449 A356666 A152232

Adjacent sequences: A092638 A092639 A092640 * A092642 A092643 A092644

Keyword

more,nonn

Author

Enoch Haga, Mar 02 2004

Extensions

a(9)-a(11) from Chai Wah Wu, Mar 18 2018

Status

approved