1,2
1 (1); 12 (6); 123 (27); 1231 (109); 12310 (436); 123101 (1745); ...
Cf. A055143-A055150.
Sequence in context: A027471 A037695 A094829 this_sequence A037604 A022634 A094788
Adjacent sequences: A055142 A055143 A055144 this_sequence A055146 A055147 A055148
nonn,base
Patrick De Geest (pdg(AT)worldofnumbers.com), Apr 15 2000.
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