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A092641 Absolute value of difference between counts of uninterrupted runs of 2 primes in A092639 and A092640. 3
0, 3, 6, 15, 29, 117, 500, 1136 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

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: A034464 A116696 A000220 * A077449 A152232 A183038

Adjacent sequences:  A092638 A092639 A092640 * A092642 A092643 A092644

KEYWORD

more,nonn

AUTHOR

Enoch Haga (Enokh(AT)comcast.net), Mar 02 2004

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Last modified February 16 07:39 EST 2012. Contains 205881 sequences.