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%I #11 Jun 24 2021 19:33:49
%S 1,1,0,6,1,1,2,6,0,2,1,1,0,10,0,0,0,4,1,1,0,10,4,0,0,0,0,4,1,1,2,14,0,
%T 2,0,0,0,0,0,4,1,1,0,14,0,0,6,0,0,0,0,0,0,6,1,1,0,18,0,0,0,4,0,0,0,0,
%U 0,0,0,8,1,1,2,18,0,2,0,0,6,0,0,0,0,0,0
%N Irregular triangle T(n,k) read by rows of the number of elements of order k in the dicyclic group Dic(n) for n>=2.
%C Dic(1) is omitted since it is degenerate.
%C Row n has 2*n entries (k=1..2*n).
%H Sean A. Irvine, <a href="/A345628/b345628.txt">Rows n=2..100 flattened</a>
%H Sean A. Irvine, <a href="https://github.com/archmageirvine/joeis/blob/master/src/irvine/oeis/a345/A345628.java">Java program</a> (github)
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Dicyclic_group">Dicyclic group</a>
%e Triangle begins:
%e 1, 1, 0, 6;
%e 1, 1, 2, 6, 0, 2;
%e 1, 1, 0, 1, 0, 0, 0, 4;
%e 1, 1, 0, 10, 4, 0, 0, 0, 0, 4;
%e ...
%Y Cf. A054522, A057731.
%K nonn,tabf
%O 2,4
%A _Sean A. Irvine_, Jun 22 2021
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