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%I #15 Oct 06 2019 05:38:25
%S 2,492,7256,53008,287244,1262512,4833456,16576512,52255768,153541020,
%T 425691312,1122626864,2835861520,6896878512,16220381536,37017882624,
%U 82226601996,178211037024,377674773768,784073551152,1597178431536,3196800943968,6294842638512,12207820353536
%N Zagier's function J_1(4*n).
%D M. Kaneko, The Fourier coefficients and the singular moduli of the elliptic modular function j(tau), Memoirs Faculty Engin. Sci., Kyoto Inst. Technology, 44 (March 1996), pp. 1-5.
%D M. Kaneko, Fourier coefficients of the elliptic modular function j(tau) (in Japanese), Rokko Lectures in Mathematics 10, Dept. Math., Faculty of Science, Kobe University, Rokko, Kobe, Japan, 2001.
%H Seiichi Manyama, <a href="/A027655/b027655.txt">Table of n, J_1(4*n) for n = 0..5000</a> (terms 0..500 from N. J. A. Sloane)
%F a(n) ~ exp(2*Pi*sqrt(n)). - _Vaclav Kotesovec_, Oct 06 2019
%Y Cf. A027652, A027653, A027654.
%K nonn
%O 0,1
%A _N. J. A. Sloane_
%E Entry revised by _N. J. A. Sloane_, Jul 25 2006
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