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%I #3 Mar 30 2012 18:50:37
%S 2,6,12,20,10,30,14,40,45,60,22,84,26,42,90,80,34,126,38,120,147,66,
%T 46,216,150,78,135,224,58,210,62,160,132,102,245,324,74,114,156,320,
%U 82,336,86,220,315,138,94,432,98,300,204,260,106,540,110,448,228,174
%N m such that A086956(m)=n and A086956(k)=n for exactly one k<m (k=A086957(n)).
%C A086957(n) < a(n) < A086959(n), A086956(a(n))=A086956(A086957(n))=A086956(A086959(n));
%C n and A086956(n) are divisors of a(n);
%C A086960(A086957(n)) = a(n), A086960(a(n)) = A086959(n);
%C A086961(a(n)) = A086957(n), A086961(A086959(n)) = a(n);
%C A086962(a(n)) = A086959(n), A086962(A086959(n)) = a(n);
%C A086963(a(n)) = a(n);
%C A086964(A086957(n)) = a(n), A086964(a(n)) = A086957(n).
%Y Cf. A086938, A086939.
%K nonn
%O 1,1
%A _Reinhard Zumkeller_, Jul 25 2003
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