Search: id:A029830
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%I A029830
%S A029830 174611,13200,6920614800,15341851377600,3628395292275600,
%T A029830 251770019531263200,8043563916910526400,150465416446925500800,
%U A029830 1902324110996589786000,17831242688625346952400
%N A029830 Eisenstein series E_20(q) (alternate convention E_10(q)), multiplied 
               by 174611.
%D A029830 J.-P. Serre, Course in Arithmetic, Chap. VII, Section 4.
%H A029830 <a href="Sindx_Ed.html#Eisen">Index entries for sequences related to 
               Eisenstein series</a>
%o A029830 (PARI) a(n)=if(n<1,174611*(n==0),13200*sigma(n,19))
%Y A029830 Cf. A006352 (E_2), A004009 (E_4), A013973 (E_6), A008410 (E_8), A013974 
               (E_10), A029828 (E_12), A058550 (E_14), A029829 (E_16), A029830 (E_20), 
               A029831 (E_24).
%Y A029830 Sequence in context: A147314 A034632 A166264 this_sequence A126557 A092012 
               A016763
%Y A029830 Adjacent sequences: A029827 A029828 A029829 this_sequence A029831 A029832 
               A029833
%K A029830 nonn,easy
%O A029830 0,1
%A A029830 N. J. A. Sloane (njas(AT)research.att.com).

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