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 A015354 #21 Sep 08 2022 08:44:39 %S A015354 1,-33075515,1193443303932565,-42738498397393357626155, %T A015354 1531471524472711661173885667797, %U A015354 -54875173091354091477849994502919434795,1966277324678482270775562667263264108238642645,-70455269606355713779351701809782497716434153197609515 %N A015354 Gaussian binomial coefficient [ n,7 ] for q = -12. %D A015354 J. Goldman and G.-C. Rota, The number of subspaces of a vector space, pp. 75-83 of W. T. Tutte, editor, Recent Progress in Combinatorics. Academic Press, NY, 1969. %D A015354 I. P. Goulden and D. M. Jackson, Combinatorial Enumeration. Wiley, NY, 1983, p. 99. %D A015354 M. Sved, Gaussians and binomials, Ars. Combinatoria, 17A (1984), 325-351. %H A015354 Vincenzo Librandi, <a href="/A015354/b015354.txt">Table of n, a(n) for n = 7..140</a> %t A015354 QBinomial[Range[7,20],7,-12] (* _Harvey P. Dale_, Mar 17 2012 *) %o A015354 (Sage) [gaussian_binomial(n,7,-12) for n in range(7,13)] # _Zerinvary Lajos_, May 27 2009 %o A015354 (Magma) r:=7; q:=-12; [&*[(1-q^(n-i+1))/(1-q^i): i in [1..r]]: n in [r..15]]; // _Vincenzo Librandi_, Nov 02 2012 %K A015354 sign,easy %O A015354 7,2 %A A015354 _Olivier Gérard_, Dec 11 1999 %E A015354 More terms from _Harvey P. Dale_, Mar 17 2012