%I A079588
%S A079588 1,30,135,364,765,1386,2275,3480,5049,7030,9471,12420,15925,20034,24795,
%T A079588 30256,36465,43470,51319,60060,69741,80410,92115,104904,118825,133926,
               150255,
%U A079588 167860,186789,207090,228811,252000,276705,302974,330855,360396,391645
%N A079588 (n+1)(2n+1)(4n+1).
%D A079588 R. Tijdeman, Some applications of Diophantine approximation, pp. 261-284 
               of Surveys in Number Theory (Urbana, May 21, 2000), ed. M. A. Bennett 
               et al., Peters, 2003.
%F A079588 Sum 1/a(n) = Pi/3 (cf. Tijdeman).
%Y A079588 Sequence in context: A044362 A044743 A100147 this_sequence A117750 A158462 
               A064495
%Y A079588 Adjacent sequences: A079585 A079586 A079587 this_sequence A079589 A079590 
               A079591
%K A079588 nonn
%O A079588 0,2
%A A079588 N. J. A. Sloane (njas(AT)research.att.com), Jan 26 2003