A027655 Zagier's function J_1(4*n).

2, 492, 7256, 53008, 287244, 1262512, 4833456, 16576512, 52255768, 153541020, 425691312, 1122626864, 2835861520, 6896878512, 16220381536, 37017882624, 82226601996, 178211037024, 377674773768, 784073551152, 1597178431536, 3196800943968, 6294842638512, 12207820353536

Offset

0,1

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) 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

Cf. A027652, A027653, A027654.

Sequence in context: A062620 A108973 A087615 * A220859 A322759 A178468

Adjacent sequences: A027652 A027653 A027654 * A027656 A027657 A027658

Keyword

nonn

Author

N. J. A. Sloane

Extensions

Entry revised by N. J. A. Sloane, Jul 25 2006

Status

approved