Search: id:A038707
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%I A038707
%S A038707 0,0,2,5,9,13,19,26,34,42,52,63,75,87,101,116,132,148,166,185,205,
%T A038707 225,247,270,294,318,344,371,399,427,457,488,520,552,586,621,657,
%U A038707 693,731,770,810,850,892,935,979,1023,1069,1116,1164,1212,1262
%N A038707 Floor(n*(n+1/2)/2).
%H A038707 <a href="Sindx_Be.html#Beatty">Index entries for sequences related to 
               Beatty sequences</a>
%F A038707 (1/8) {4n^2 + 2n - 3 + (-1)^n - 2(-1)^[(n-1)/2] }. - Ralf Stephan, Jun 
               10 2005
%Y A038707 Sequence in context: A129726 A122489 A120615 this_sequence A071705 A109094 
               A049753
%Y A038707 Adjacent sequences: A038704 A038705 A038706 this_sequence A038708 A038709 
               A038710
%K A038707 nonn
%O A038707 0,3
%A A038707 N. J. A. Sloane (njas(AT)research.att.com), May 02 2000

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