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 A091237 Lengths of runs in A039702. 3
 1, 1, 1, 2, 2, 2, 1, 1, 2, 2, 1, 1, 1, 2, 1, 2, 3, 2, 2, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 4, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 1, 2, 2, 1, 2, 4, 1, 1, 1, 1, 2, 3, 7, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 2, 1, 1, 3, 2, 2, 2, 1, 3, 4 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 COMMENTS Lengths of runs, where a run is a succession of primes that are congruent mod 4. LINKS T. D. Noe, Table of n, a(n) for n = 1..10000 MATHEMATICA Most[Length /@ Split[Table[Mod[Prime[n], 4], {n, 200}]]] (* T. D. Noe, Sep 21 2012 *) CROSSREFS Cf. A039702, A091318, A091267. Sequence in context: A062245 A062246 A037811 * A143477 A214774 A320107 Adjacent sequences:  A091234 A091235 A091236 * A091238 A091239 A091240 KEYWORD nonn,easy AUTHOR N. J. A. Sloane, Feb 22 2004 EXTENSIONS More terms from David Wasserman, Feb 28 2006 STATUS approved

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Last modified May 26 09:37 EDT 2020. Contains 334620 sequences. (Running on oeis4.)