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Smallest m such that A065623(m) = n.
2

%I #8 Jun 15 2018 20:51:19

%S 2,0,10,26,4,7,29,51,73,84,615,95,1881,18698,117,2602,5552,128,7938,

%T 19653,19386,10156,1636,139,6529,13629,20374,16890,11920,6950,2690,

%U 150,1925,5475,9380,12575,15770,18965,21805,24645,24334,21849,19719,17234

%N Smallest m such that A065623(m) = n.

%H Harry J. Smith, <a href="/A065624/b065624.txt">Table of n, a(n) for n = 0..500</a>

%e The first time A065624 = 3 is 26 because A065624(26) = floor(abs(cos(26)/cos(2*26))) = 3.

%o (PARI) { for (n=0, 500, m=0; while (floor(abs(cos(m)/cos(2*m))) != n, m++); write("b065624.txt", n, " ", m) ) } \\ _Harry J. Smith_, Oct 25 2009

%Y Cf. A065623.

%K nonn

%O 0,1

%A Jonathan Ayres (jonathan.ayres(AT)btinternet.com), Nov 07 2001

%E a(1) corrected by _Harry J. Smith_, Oct 25 2009