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 A066322 #8 May 26 2017 15:10:56 %S A066322 451,3011,451,115651,451,3011,451,-7229,451,3011,451,-48189,451,3011, %T A066322 451,-7229,451,3011,451,771011,451,3011,451,-7229,451,3011,451,-48189, %U A066322 451,3011,451,-7229,451,3011,451,115651,451,3011,451,-7229,451,3011,451,-48189,451,3011,451,-7229 %N A066322 Variable terms in period-16 pattern of first differences of binary representation of base i-1 expansion of n. %C A066322 This sequence is very highly structured, but does it have a reasonable description? %C A066322 Presumably, yes: see the comments to A066321. - _Andrey Zabolotskiy_, Feb 06 2017 %D A066322 D. E. Knuth, The Art of Computer Programming. Addison-Wesley, Reading, MA, 1969, Vol. 2, p. 172, (Also exercise 16, p. 177, answer, p. 494) %H A066322 Andrey Zabolotskiy, <a href="/A066322/b066322.txt">Table of n, a(n) for n = 0..65535</a> %e A066322 a(0) = A066321(0*16+4) - A066321(0*16+3) = 464 - 13 = 451 %Y A066322 Cf. A066321, A282137. %K A066322 base,easy,sign %O A066322 0,1 %A A066322 _Marc LeBrun_, Dec 14 2001