A055162
The number n has digits in ascending order and n=a-b where a has the digits of n in descending order and b has the digits of n in another order (a and b perhaps with extra zeros), ordered by a.
Original entry on oeis.org
459, 1467, 445599, 134667, 13346667, 1245789, 123456789, 444555999, 1333466667, 123456789, 12457899, 12334566789, 133334666667, 12334566789, 1234567899, 124578999, 444455559999, 1233345666789
Offset: 1
- Denis Borris, Ken Duisenberg's Puzzle of the Week, April 20, 2000
A055157
n has distinct digits and n=a-b where a has the digits of n in descending order and b has the digits of n in ascending order (perhaps with leading zeros).
Original entry on oeis.org
495, 6174, 97508421, 864197532, 9753086421
Offset: 0
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).
Original entry on oeis.org
954, 7641, 98754210, 987654321, 9876543210
Offset: 0
- Denis Borris, Ken Duisenberg's Puzzle of the Week, April 20, 2000
Showing 1-3 of 3 results.
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