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A062844
Numbers that, when expressed in some base, are the concatenation of numbers in two other bases.
0
10, 11, 14, 15, 30, 31, 32, 36, 39, 40, 41, 42, 43, 44, 48, 49, 50, 58, 60, 62, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 78, 80, 84, 85, 86, 87, 88, 89, 90, 91, 94, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 116, 117, 118, 119, 120, 121, 122, 123, 130
OFFSET
1,1
EXAMPLE
10 in base 2 is 1010, which is the concatenation of two 10's in base 10
CROSSREFS
Sequence in context: A373646 A335237 A214864 * A144980 A261713 A244283
KEYWORD
base,easy,nonn
AUTHOR
Erich Friedman, Jul 21 2001
STATUS
approved