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%I #9 Sep 20 2018 00:32:07
%S 1,1,2,8,49,394,3893,45557,615841,9441496,161851172,3067568723,
%T 63691437874,1437654815479,35051716688753,918001141977977,
%U 25702588103515456,766111524549372556,24220624517079803807,809529063225201561068,28520645910908658449119
%N Shifts left under "BIJ" (reversible, indistinct, labeled) transform.
%H Andrew Howroyd, <a href="/A032116/b032116.txt">Table of n, a(n) for n = 1..200</a>
%H C. G. Bower, <a href="/transforms2.html">Transforms (2)</a>
%o (PARI) BIJ(p)={(1-p^2/2)/(1-p) - 1}
%o seq(n)={my(p=O(x)); for(i=1, n, p=intformal(1+BIJ(p))); Vec(serlaplace(p))} \\ _Andrew Howroyd_, Sep 19 2018
%K nonn,eigen
%O 1,3
%A _Christian G. Bower_
%E Terms a(20) and beyond from _Andrew Howroyd_, Sep 19 2018
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