A323991 Fourier coefficients of Eisenstein series of degree 2 and weight 4: a(n) = coefficient of the matrix [n, 0; 0, 1] with determinant n.

30240, 181440, 497280, 997920, 1814400, 2782080, 4008960, 5987520, 7650720, 9555840, 13426560, 15980160, 18264960, 23950080, 28062720, 31963680, 38465280, 42638400, 49230720, 59875200, 63624960, 67616640, 84188160, 91808640, 93774240, 112855680, 121336320, 127872000, 147692160, 153619200

Offset

1,1

Links

Table of n, a(n) for n=1..30.

Howard L. Resnikoff, and R. L. Saldana, Some properties of Fourier coefficients of Eisenstein series of degree two, J. reine angew. Math 265.9 (1974): 90-109. (Table II gives first 399 terms.)

Sho Takemori, On the computation of Siegel modular forms of degree 2 with Sage, RIMS Kokyuroku, 1907 (2014): 145-153.

Crossrefs

Cf. A323990, A323992.

Sequence in context: A027687 A190475 A218029 * A109485 A156429 A171263

Adjacent sequences: A323988 A323989 A323990 * A323992 A323993 A323994

Keyword

nonn

Author

N. J. A. Sloane, Feb 14 2019

Extensions

More terms from Robin Visser, Feb 23 2024

Status

approved