A323992 Fourier coefficients of Eisenstein series of degree 2 and weight 4: a(n) = coefficient of the imprimitive matrix [n, n/2; n/2, n].

13440, 604800, 3642240, 20818560, 44029440, 163900800, 229850880, 677980800, 895238400, 1981324800, 2184053760, 5641829760, 5017447680, 10343289600, 11931978240, 21789747840, 19152806400, 40285728000, 33366117120, 68201602560, 62289588480, 98282419200, 86675097600, 183732796800

Offset

1,1

Links

Table of n, a(n) for n=1..24.

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 III gives first 14 terms.)

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

Crossrefs

Cf. A323990, A323991.

Sequence in context: A190473 A323990 A179719 * A157506 A238176 A035917

Adjacent sequences: A323989 A323990 A323991 * A323993 A323994 A323995

Keyword

nonn

Author

N. J. A. Sloane, Feb 14 2019

Extensions

More terms from Robin Visser, Feb 23 2024

Status

approved