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%I #4 Mar 30 2012 18:51:25
%S 954,7641,995544,766431,76664331,98754210,987654321,999555444,
%T 7666643331,9876543210,9987542100,98766543321,766666433331,
%U 987665433210,998765432100,999875421000,999955554444,9876665433321
%N n has digits in descending order and n=a+b where a has the digits of n in another order and b has the digits of n in ascending order (perhaps with leading zeros).
%D Denis Borris, Ken Duisenberg's Puzzle of the Week, April 20, 2000
%H <a href="http://www.ecst.csuchico.edu/~kend/potw/archive/000420sol.html">Source</a>
%F a(n)= A055160(n)+A055162(n)
%e 954=495+459
%Y Cf. A055158.
%K base,nonn
%O 0,1
%A _Henry Bottomley_, Apr 27 2000
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