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Diagonal T(n,n) of the table T = A261297: row n contains n numbers of primality opposite to that of n, any number k may occur k times.
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%I #13 Dec 23 2024 14:53:44

%S 2,4,8,7,10,17,14,23,31,37,21,47,24,59,67,71,28,79,33,89,97,103,38,

%T 109,127,131,137,139,48,157,50,167,173,181,191,193,58,199,223,227,65,

%U 233,68,241,251,257,74,269,277,281,293,307,82,313,317,331,337,347,90,359,93,373,379

%N Diagonal T(n,n) of the table T = A261297: row n contains n numbers of primality opposite to that of n, any number k may occur k times.

%H Alois P. Heinz, <a href="/A261298/b261298.txt">Table of n, a(n) for n = 1..8000</a>

%H E. Angelini, <a href="https://web.archive.org/web/*/http://list.seqfan.eu/oldermail/seqfan/2015-September/015293.html">Vertices, edges, primes and non-primes</a>, SeqFan list, Sept. 16, 2015.

%Y Cf. A261297.

%K nonn

%O 1,1

%A _M. F. Hasler_, Sep 16 2015