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Absolute value of smallest (in magnitude) missing negative number after A377091(n) has been found.
2

%I #18 Dec 28 2024 09:25:11

%S 1,1,1,1,3,3,3,3,3,5,5,5,5,5,5,5,9,10,11,12,13,13,13,13,13,13,14,15,

%T 16,17,18,19,19,19,19,19,19,20,21,22,23,24,25,25,25,25,25,25,25,25,25,

%U 25,25,26,27,28,29,30,31,32,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,37,38,39,41,41,41,41,41,41,41,41,41,41,41,42,43,44,45

%N Absolute value of smallest (in magnitude) missing negative number after A377091(n) has been found.

%H N. J. A. Sloane, <a href="/A379068/b379068.txt">Table of n, a(n) for n = 0..10000</a>

%e A377091 has offset 0 and begins 0, 1, 2, -2, -1, 3, ... After we have found A377091(2) = 2, the missing negative numbers are -1, -2, -3, ..., so a(2) = |-1| = 1.

%Y Cf. A3477091, A379067.

%K nonn

%O 0,5

%A _N. J. A. Sloane_, Dec 28 2024