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%I #4 Sep 08 2022 08:45:53
%S 3,4,5,5,6,9,7,8,9,17,11,12,14,15,16,17,18,33,21,23,24,26,27,29,32,33,
%T 65,36,38,39,42,43,44,47,51,53,54,56,57,59,63,65,66,129,68,71,72,77,
%U 78,81,84,86,87,89,92,93,98,99,101,102,108,114,116,117,119,122,123,124,128
%N Number of conjugacy classes in PSL_2(q) as q runs through the primes and prime powers.
%o (Magma) [ NumberOfClasses(PSL(2,q)):q in [2..251] | IsPrimePower(q) ];
%Y q = A000961(n+1).
%Y This is the row length sequence for A060247.
%Y Cf. A124678.
%K easy,nonn
%O 1,1
%A _Jason Kimberley_, May 22 2010
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