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%I #6 Dec 05 2013 19:56:49
%S 1,2,4,7,10,14,19,26,33,41,51,61,72,84,97,112,127,143,160,178,197,217,
%T 239,261,284,308,333,359,386,414,443,473,504,537,570,604,639,675,712,
%U 750,789,829,870,912,955,999,1044,1090,1137,1186,1235,1285,1336,1388
%N The leftmost column of triangle A094280.
%F a(n) = A094280(1+A000217(n-1)).
%Y Cf. A094280, A094282, A094283, A094284.
%K nonn
%O 1,2
%A _Amarnath Murthy_, Apr 27 2004
%E Edited and extended by _Antti Karttunen_, Aug 25 2006
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