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A026505 a(n) is the least positive integer > a(n-1) and not a(j)*a(k) + a(k)*a(i) + a(i)*a(j) for 1 <= i < j < k <= n. 0

%I #12 Oct 04 2019 09:12:11

%S 1,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,20,21,22,24,25,26,28,30,

%T 32,33,36,37,38,40,42,45,46,48,50,52,56,57,58,60,66,70,72,73,78,80,85,

%U 86,88,93,100,102,105,106,112,120,122,130,133,136,148,150,158,165,168,177,190

%N a(n) is the least positive integer > a(n-1) and not a(j)*a(k) + a(k)*a(i) + a(i)*a(j) for 1 <= i < j < k <= n.

%Y Cf. A026501, A026502, A026503, A026504, A026506.

%K nonn

%O 1,2

%A _Clark Kimberling_

%E More terms from _Sean A. Irvine_, Oct 03 2019

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Last modified September 9 21:41 EDT 2024. Contains 375765 sequences. (Running on oeis4.)