%I #9 Oct 07 2019 16:06:11
%S 1,2,4,6,3,6,9,12,15,4,8,12,16,20,24,28,5,10,15,20,25,30,35,40,45,6,
%T 12,18,24,30,36,42,48,54,60,66,7,14,21,28,35,42,49,56,63,70,77,84,91,
%U 8,16,24,32,40,48,56,64,72,80,88,96,104,112,120,9,18,27,36,45,54
%N Product of A003059 and A071797.
%o (PARI) a(n) = {(1+sqrtint(n-1))*(n-sqrtint(n-1)^2)} \\ _Andrew Howroyd_, Sep 23 2019
%Y Cf. A003059, A071797.
%K nonn
%O 1,2
%A _Todor Szimeonov_, Sep 23 2019