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A064973 Values for which A065358 is larger than any preceding term. 2

%I #16 Dec 15 2017 17:35:43

%S 1,4,9,10,15,16,21,22,123,124,125,126,135,136,141,142,143,144,145,146,

%T 147,148,153,154,155,156,185,186,187,188,189,190,195,196,201,202,203,

%U 204,205,206,207,208,209,210,343,344,345,346,351,352,365,366,387,388

%N Values for which A065358 is larger than any preceding term.

%D Robert G. Wilson v, personal communication.

%H Harry J. Smith, <a href="/A064973/b064973.txt">Table of n, a(n) for n=1..940</a>

%t a = b = p = s = 0; Do[If[PrimeQ[n], p++ ]; s = s + (-1)^p; If[s > a, a = s; Print[n]], {n, 1, 10^3}]

%o (PARI) { n=b=c=0; for (m=1, 10^9, b+=(-1)^primepi(m); if (b>c, c=b; write("b064973.txt", n++, " ", m); if (n==940, return)) ) } \\ _Harry J. Smith_, Oct 02 2009

%K nonn

%O 1,2

%A _Jason Earls_, Oct 31 2001

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)