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2^(10n) - 10^(3n).
0

%I #6 Sep 07 2013 14:22:22

%S 0,24,48576,73741824,99511627776,125899906842624,152921504606846976,

%T 180591620717411303424,208925819614629174706176,

%U 237940039285380274899124224,267650600228229401496703205376

%N 2^(10n) - 10^(3n).

%C Important when one considers the difference between the traditional metric prefixes "kilo-", "mega-" and "giga-" and the binary prefixes "kibi-", "mebi-" and "gibi-".

%e On some storage media, the number of bytes in a "gigabyte" of storage capacity may be 10^9 bytes, but the number of bytes in a file whose size is reported by some computer operating systems as "1 GB" may be 2^30 = 1073741824, which is a(3)=73741824 bytes larger. - _Jon E. Schoenfield_, Sep 07 2013

%t Table[2^(10 * n) - 10^(3 * n), {n, 0, 20}]

%Y Cf. A000079.

%K nonn

%O 0,2

%A Alexander Ward Kulungowski (akulo(AT)prodigy.net), Nov 17 2006