%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