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 A011822 #4 May 16 2003 03:00:00 %S A011822 2,8,128,4140,122772,2632429,40412530,463830877,4172654846, %T A011822 30636553704,189675768766,1016289045634,4811471951354,20467607443084, %U A011822 79306666347738,283064080815539,939401940609112 %N A011822 M-sequences m_0,...,m_6 with m_1 < n. %D A011822 S. Linusson, The number of M-sequences and f-vectors, Combinatorica, 19 (1999), 255-266. %K A011822 nonn %O A011822 1,1 %A A011822 Svante Linusson (linusson(AT)math.kth.se)