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A055158 n has distinct 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). 3

%I #4 Mar 30 2012 18:51:25

%S 954,7641,98754210,987654321,9876543210

%N n has distinct 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)= A055157(n)+A055159(n)

%e 954=495+459

%Y Cf. A055161.

%K fini,full,base,nonn

%O 0,1

%A _Henry Bottomley_, Apr 27 2000

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Last modified April 25 10:51 EDT 2024. Contains 371967 sequences. (Running on oeis4.)