A341554 Fourier coefficients of the modular form sqrt(1 - 108/t_{3A}) * F_{3A}^10.

1, 6, -810, -22134, -278634, -2122524, -11039814, -43693008, -145572714, -424326378, -1083745980, -2551211640, -5663429382, -11474793708, -22397094864, -42109347204, -74498070378, -128307428244, -217704941082, -349133308872, -555058873404, -870035772336, -1308777310008

Offset: 0

Author

Robert C. Lyons, Feb 14 2021

Keywords

• sign

Links

• Masao Koike, Modular forms on non-compact arithmetic triangle groups, Unpublished manuscript [Extensively annotated with OEIS A-numbers by N. J. A. Sloane, Feb 14 2021. Sloane wrote 2005 on the first page but the internal evidence suggests 1997.] See page 29.

Crossrefs

Cf. A004016, A030197, A341305, A341555, A341559.

Formula

1/t_{3A} is A030197, F_{3A} is A004016. - Georg Fischer, Mar 31 2023

Extensions

More terms from Georg Fischer, Mar 31 2023