A341557 Fourier coefficients of the modular form (1/t_{3A}) * F_{3A}^12.

0, 1, 30, 333, 1444, -570, -21114, -22576, 121848, 64233, -276300, 589260, -1198764, 133766, -957216, 2920590, 2491792, -1616958, 1647054, -5312428, -14819880, -4158576, 20300904, 16879848, 19051416, -22583225, 38165172, -81066987, -47716288, 66118494, 370980, -51834232

Offset

0,3

Links

Table of n, a(n) for n=0..31.

Masao Koike, Modular forms on non-compact arithmetic triangle groups, Unpublished manuscript [Extensively annotated with OEIS A-numbers by N. J. A. Sloane, Feb 14 2021.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 30.

Formula

Convolution product of 1/A030197 and A008655^3. - Georg Fischer, Mar 31 2023

Crossrefs

Cf. A008655, A030197, A341556, A341558, A341561.

Sequence in context: A362521 A227689 A006859 * A107967 A354656 A115500

Adjacent sequences: A341554 A341555 A341556 * A341558 A341559 A341560

Keyword

sign

Author

Robert C. Lyons, Feb 14 2021

Extensions

More terms from Georg Fischer, Mar 31 2023

Status

approved