A057947 n has ambiguous representations in "bad hexadecimal": numbers with the digit 1 followed by a digit less than 6.

10, 11, 12, 13, 14, 15, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146

Offset

0,1

Links

Table of n, a(n) for n=0..52.

Example

a(5)=15 is on the list as this could be taken to represent 15*16^0=15 or 1*16^1+5*16^0=21

Crossrefs

Cf. A057946.

Sequence in context: A008709 A008708 A102490 * A228774 A073527 A008707

Adjacent sequences: A057944 A057945 A057946 * A057948 A057949 A057950

Keyword

base,easy,nonn

Author

Henry Bottomley, Oct 13 2000

Status

approved