%I
%S 1,3,6,10,15,21,28,38,50,64,80,98,118,140,164,190,220,253,289,328,370,
%T 415,463,514,568,625,685,748,816,888,964,1044,1128,1216,1308,1404,
%U 1504,1608,1716,1828,1944,2064,2188,2318,2453,2593,2738,2888
%N 1 + partial sums of A032378.
%C A032378 has been inspired by the Concrete Mathematics Casino problem (see reference).
%D R. L. Graham, D. E. Knuth and O. Patashnik, Concrete Mathematics. 2nd Edition. AddisonWesley, Reading, MA, 1994. Section 3.2, p7476.
%e Partial sums of A032378 (= A112873) are 2, 5, 9, 14, 20, 27, 37, 49, 63, 79, 97, 117, 139, ...
%Y Cf. A032378, A112873.
%K nonn
%O 1,2
%A _N. J. A. Sloane_, Dec 22 2001
