%I #17 Oct 06 2019 05:36:02
%S 1,248,4119,33512,192513,885480,3493982,12288992,39493539,117966288,
%T 331534572,884736744,2257837845,5541103056,13136687601,30197680312,
%U 67515206970,147197952744,313645814923,654403831496,1339190286960,2691907586232,5321761716339,10359073015248
%N Zagier's function -J_1(4*n-1).
%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="/A027654/b027654.txt">Table of n, -J_1(4*n-1) 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, A027655.
%K nonn
%O 0,2
%A _N. J. A. Sloane_
%E Entry revised by _N. J. A. Sloane_, Jul 25 2006