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 A167206 #5 May 10 2019 21:25:13
%S A167206 1,2,4,7,10,11,8,1,-6,-5,16,89,-348,-7747,-58764,-301959,-1226902,
%T A167206 -4249557,-13125130,-36998357,-95306260,-219609123,-430081728,
%U A167206 -623477651,-457458788,-3070156979,-61496380490,-630601717145,-4635893019708,-27904927526379
%N A167206 Binomial transform of A164555.
%C A167206 Binomial transform of the numerators of the Bernoulli number fractions A164555/A027642.
%p A167206 A164555 := proc(n) if n = 1 then -numer(bernoulli(n)) ; else numer(bernoulli(n)) ; end if; end proc:
%p A167206 read("transforms") : a164555 := [seq(A164555(n),n=0..50)] : BINOMIAL(a164555) ; # _R. J. Mathar_, Oct 31 2009
%Y A167206 Cf. A053223.
%K A167206 sign
%O A167206 0,2
%A A167206 _Paul Curtz_, Oct 30 2009
%E A167206 Keyword:sign set, sequence extended by _R. J. Mathar_, Oct 31 2009