A341556 Fourier coefficients of the modular form F_{3A}^12.

1, 72, 2376, 47592, 646344, 6305904, 45821160, 255215808, 1125009864, 4097478600, 12975540336, 37101202848, 96867424872, 232791251760, 526183909056, 1128351033648, 2286328733640, 4451427831312, 8386379869896, 15130456297056, 26613241744752, 45684436953024, 75935115663264

Offset

0,2

Links

Table of n, a(n) for n=0..22.

Masao Koike, Modular forms on non-compact arithmetic triangle groups, Unpublished manuscript [Extensively annotated with OEIS A-numbers by N. J. A. Sloane, Feb 14 2021.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 cube of A008655. - Georg Fischer, Mar 30 2023

Crossrefs

Cf. A008655, A341306.

Sequence in context: A268994 A347566 A277532 * A014704 A260582 A377668

Adjacent sequences: A341553 A341554 A341555 * A341557 A341558 A341559

Keyword

nonn

Author

Robert C. Lyons, Feb 14 2021

Extensions

More terms from Georg Fischer, Mar 30 2023

Status

approved