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A045987
Describe 2^n.
2
11, 12, 14, 18, 1116, 1312, 1614, 111218, 121516, 151112, 11101214, 12101418, 14101916, 18111912, 1116131814, 1312171618, 16251316, 111311101712, 1216121124, 1512141228, 11101418151716, 12101917111512, 14111914131014
OFFSET
0,1
EXAMPLE
16 has "one 1, one 6", so a(4) = 1116.
CROSSREFS
KEYWORD
nonn,easy,base
EXTENSIONS
More terms from Patrick De Geest, Jun 15 1999
STATUS
approved