A323990 Fourier coefficients of Eisenstein series of degree 2 and weight 4: a(n) = coefficient of the matrix [n, 1/2; 1/2, 1] with determinant n-1/4.

13440, 138240, 362880, 967680, 1330560, 2903040, 3279360, 5806080, 6531840, 10644480, 10039680, 17418240, 16208640, 24192000, 24312960, 34974720, 30360960, 49351680, 42349440, 59996160, 56246400, 78382080, 66528000, 101606400, 85276800, 115153920, 105598080, 146119680, 118782720, 179988480

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 I gives first 130 terms.)

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

Crossrefs

Cf. A323991, A323992.

Sequence in context: A298686 A298687 A190473 * A179719 A323992 A157506

Adjacent sequences: A323987 A323988 A323989 * A323991 A323992 A323993

Keyword

nonn

Author

N. J. A. Sloane, Feb 14 2019

Extensions

More terms from Robin Visser, Feb 23 2024

Status

approved