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Partial sums of A072649.
3

%I #9 Apr 16 2015 20:57:20

%S 1,3,6,9,13,17,21,26,31,36,41,46,52,58,64,70,76,82,88,94,101,108,115,

%T 122,129,136,143,150,157,164,171,178,185,193,201,209,217,225,233,241,

%U 249,257,265,273,281,289,297,305,313,321,329,337

%N Partial sums of A072649.

%H Popular Computing (Calabasas, CA), <a href="/A256967/a256967.png">A Coding Exercise (from a suggestion by R. W. Hamming)</a>, Vol. 5 (No. 54, Sep 1977), p. PC55-18.

%Y Cf. A072649, A256967.

%K nonn

%O 1,2

%A _N. J. A. Sloane_, Apr 16 2015