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 A001529 M0809 N0306 #24 Jul 08 2025 16:26:32 %S A001529 1,2,3,6,15,63,567,14755,1366318 %N A001529 NPN-equivalence classes of threshold functions of n or fewer variables. %D A001529 D. E. Knuth, The Art of Computer Programming, Vol. 4A, Section 7.1.1, p. 79. %D A001529 S. Muroga, Threshold Logic and Its Applications. Wiley, NY, 1971, p. 38, Table 2.3.2. - Row 19. %D A001529 S. Muroga, T. Tsuboi and C. R. Baugh, Enumeration of threshold functions of eight variables, IEEE Trans. Computers, 19 (1970), 818-825. %D A001529 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence). %D A001529 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A001529 Goto, Eiichi, and Hidetosi Takahasi, <a href="/A000371/a000371_1.pdf">Some Theorems Useful in Threshold Logic for Enumerating Boolean Functions</a>, in Proceedings International Federation for Information Processing (IFIP) Congress, 1962, pp. 747-752. [Annotated scans of certain pages] %H A001529 S. Muroga, <a href="/A000371/a000371.pdf">Threshold Logic and Its Applications</a>, Wiley, NY, 1971 [Annotated scans of a few pages] %H A001529 S. Muroga, T. Tsuboi and C. R. Baugh, <a href="/A002077/a002077.pdf">Enumeration of threshold functions of eight variables</a>, IEEE Trans. Computers, 19 (1970), 818-825. [Annotated scanned copy] %Y A001529 Cf. A002078, A002079, A001530. %K A001529 nonn,nice,more %O A001529 0,2 %A A001529 _N. J. A. Sloane_