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%I #14 Feb 17 2021 07:41:36
%S 2,8,12,600,5082,13680,17160,25920,265200,1256640,3591600,23919840,
%T 42923520,351195264,1642291200,12572386944,15043279104
%N Numbers m such that sigma(4*m+3) = 6*m.
%o (PARI) isok(m) = sigma(4*m+3) == 6*m; \\ _Michel Marcus_, Feb 17 2021
%Y Cf. A000203, A067679.
%K nonn,more
%O 1,1
%A _Benoit Cloitre_, Feb 04 2002
%E a(9)-a(17) from _Donovan Johnson_, Feb 01 2009
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