This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A341556 #15 Mar 31 2023 03:19:29
%S A341556 1,72,2376,47592,646344,6305904,45821160,255215808,1125009864,
%T A341556 4097478600,12975540336,37101202848,96867424872,232791251760,
%U A341556 526183909056,1128351033648,2286328733640,4451427831312,8386379869896,15130456297056,26613241744752,45684436953024,75935115663264
%N A341556 Fourier coefficients of the modular form F_{3A}^12.
%H A341556 Masao Koike, <a href="/A004016/a004016.pdf">Modular forms on non-compact arithmetic triangle groups</a>, Unpublished manuscript [Extensively annotated with OEIS A-numbers by N. J. A. Sloane, Feb 14 2021.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.
%F A341556 Convolution cube of A008655. - _Georg Fischer_, Mar 30 2023
%Y A341556 Cf. A008655, A341306.
%K A341556 nonn
%O A341556 0,2
%A A341556 _Robert C. Lyons_, Feb 14 2021
%E A341556 More terms from _Georg Fischer_, Mar 30 2023