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A071914
Numbers n of the form k + reverse(k) for exactly three k.
1
33, 176, 303, 323, 343, 363, 383, 403, 423, 443, 463, 483, 1221, 1616, 1636, 1656, 1676, 1696, 1716, 1736, 1756, 1776, 1796, 2761, 3003, 4983, 12021, 12421, 12621, 12821, 13021, 13221, 13421, 13621, 13821, 16016, 17996, 18238, 19778, 26161
OFFSET
0,1
EXAMPLE
33 = 12 + 21 = 21 + 12 = 30 + 03, 176 = 79 + 97 = 88 + 88 = 97 + 79, 383 = 142 + 241 = 241 + 142 = 340 + 043.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Klaus Brockhaus, Jun 13 2002
STATUS
approved