

A217557


The difference between the reversal of an 8bit integer and the original integer.


1



0, 127, 62, 189, 28, 155, 90, 217, 8, 135, 70, 197, 36, 163, 98, 225, 8, 119, 54, 181, 20, 147, 82, 209, 0, 127, 62, 189, 28, 155, 90, 217, 28, 99, 34, 161, 0, 127, 62, 189, 20, 107, 42, 169, 8, 135, 70, 197, 36, 91, 26, 153, 8, 119, 54, 181, 28, 99
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

0,2


COMMENTS

The difference between the reversal of an 8bit integer and the original integer.


LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..255 (all terms of the sequence).


FORMULA

a(n) = A160638(n)  n.


EXAMPLE

5 > 00000101 > 10100000 = 160 so a(5) = 155.


MATHEMATICA

Table[FromDigits[Reverse[PadLeft[IntegerDigits[n, 2], 8, 0]], 2]n, {n, 0, 60}] (* Harvey P. Dale, Oct 12 2012 *)


PROG

(PARI) A217557(n)=sum(i=0, 7, bittest(n, 7i)<<i)n \\  M. F. Hasler, Oct 07 2012


CROSSREFS

Cf. A160638.
Sequence in context: A186995 A145586 A180352 * A320571 A082456 A326717
Adjacent sequences: A217554 A217555 A217556 * A217558 A217559 A217560


KEYWORD

sign,base,fini,full


AUTHOR

Jon Perry, Oct 06 2012


STATUS

approved



