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A027654
Zagier's function -J_1(4*n-1).
4
1, 248, 4119, 33512, 192513, 885480, 3493982, 12288992, 39493539, 117966288, 331534572, 884736744, 2257837845, 5541103056, 13136687601, 30197680312, 67515206970, 147197952744, 313645814923, 654403831496, 1339190286960, 2691907586232, 5321761716339, 10359073015248
OFFSET
0,2
REFERENCES
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.
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.
LINKS
Seiichi Manyama, Table of n, -J_1(4*n-1) for n = 0..5000 (terms 0..500 from N. J. A. Sloane)
FORMULA
a(n) ~ exp(2*Pi*sqrt(n)). - Vaclav Kotesovec, Oct 06 2019
CROSSREFS
KEYWORD
nonn
EXTENSIONS
Entry revised by N. J. A. Sloane, Jul 25 2006
STATUS
approved