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A147537
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Numbers whose binary representation is the concatenation of 2n-1 digits 1 and n digits 0.
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6
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2, 28, 248, 2032, 16352, 131008, 1048448, 8388352, 67108352, 536869888, 4294965248, 34359734272, 274877898752, 2199023239168, 17592186011648, 140737488289792, 1125899906711552, 9007199254478848, 72057594037403648
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| a(n) is the number whose binary representation is A138118(n).
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MATHEMATICA
| Table[FromDigits[Join[Table[1, {2n - 1}], Table[0, {n}]], 2], {n, 1, 20}] [From Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Nov 11 2008]
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CROSSREFS
| Cf. A138118.
Sequence in context: A035601 A001759 A019441 * A183067 A056261 A097353
Adjacent sequences: A147534 A147535 A147536 * A147538 A147539 A147540
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KEYWORD
| base,easy,nonn
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AUTHOR
| Omar E. Pol (info(AT)polprimos.com), Nov 06 2008
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EXTENSIONS
| More terms from Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Nov 11 2008
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