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Numbers where A262520 takes a negative value; numbers n for which A155043(2n) > A155043(2n + 1).
4

%I #5 Oct 03 2015 08:43:54

%S 112,113,544,545,684,760,930,1306,1514,1522,1624,1625,2048,2386,2389,

%T 2393,2399,2402,2818,2827,2966,2969,3280,3281,3791,3797,3878,4324,

%U 4326,4328,4330,4331,4333,4334,4336,4340,4342,4346,4352,5513,5515,5519,5521,5527,5531,5724,5726,6050,6161,6165,6167,6168,6169,6172,6173,6176,6177,6179,6181,6183,6184,6185,6272

%N Numbers where A262520 takes a negative value; numbers n for which A155043(2n) > A155043(2n + 1).

%H Antti Karttunen, <a href="/A262521/b262521.txt">Table of n, a(n) for n = 1..1004</a>

%o (Scheme, with _Antti Karttunen_'s IntSeq-library)

%o (define A262521 (MATCHING-POS 1 0 (COMPOSE negative? A262520)))

%Y Cf. A000005, A049820, A155043, A262518, A262519, A262520.

%K nonn

%O 1,1

%A _Antti Karttunen_, Oct 02 2015