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A115420
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Numbers having a 1 in position 4 of their binary expansion.
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6
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16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| One of the mystery calculator sequences: A005408, A042964, A047566, A115419, A115420, A115421.
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LINKS
| Maths Magic, Mystery Calculator.
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EXAMPLE
| a(1) = 16 = 10000 in binary.
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MAPLE
| a:= n-> n+15 + 16*iquo(n-1, 16):
seq (a(n), n=1..100); # Alois P. Heinz, Aug 22 2011
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CROSSREFS
| Cf. A005408, A042964, A047566, A115419, A115421.
Sequence in context: A004505 A190582 A004457 * A145449 A138599 A007636
Adjacent sequences: A115417 A115418 A115419 * A115421 A115422 A115423
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KEYWORD
| base,easy,nonn
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AUTHOR
| Jeremy Gardiner (jeremy.gardiner(AT)btinternet.com), Jan 22 2006
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