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%I #5 Dec 27 2017 18:31:45
%S 1,6,10,16,18,30,26,42,37,54,42,76,50,78,72,94,66,120,74,126,104,126,
%T 90,180,103,150,136,182,114,222,122,210,168,198,156,286,146,222,200,
%U 288,162,312,170,294,258,270,186,400,201,324,264,350,210,408,252,396,296,342,234
%N a(n) = sigma(n) + 3*A079667(n).
%D H. J. S. Smith, Report on the Theory of Numbers, reprinted in Vol. 1 of his Collected Math. Papers, Chelsea, NY, 1979, see p. 322.
%Y Cf. A000203, A079667.
%K nonn
%O 1,2
%A _N. J. A. Sloane_, Apr 15 2006
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