|
| |
|
|
A135996
|
|
Difference between 2^n and the largest factorial <= 2^n.
|
|
2
| |
|
|
0, 0, 2, 2, 10, 8, 40, 8, 136, 392, 304, 1328, 3376, 3152, 11344, 27728, 25216, 90752, 221824, 161408, 685696, 1734272, 565504, 4759808, 13148416, 29925632, 27192064, 94300928, 228518656, 57869312, 594740224, 1668482048, 3815965696, 2362913792
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,3
|
|
|
FORMULA
| a(n)= 2^n-A048764(2^n). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 16 2008
|
|
|
EXAMPLE
| a(6)= 2^6 - 4! = 40
a(7)= 2^7 - 5! = 8
a(8)= 2^8 - 5! = 136
|
|
|
MAPLE
| A048764 := proc(n) local a; for a from 1 do if a! > n then RETURN((a-1)!); fi ; od: end: A135996 := proc(n) 2^n-A048764(2^n) ; end: seq(A135996(n), n=0..60) ; - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 16 2008
|
|
|
CROSSREFS
| Cf. A000142.
Sequence in context: A127058 A094359 A129898 * A141610 A019241 A168295
Adjacent sequences: A135993 A135994 A135995 * A135997 A135998 A135999
|
|
|
KEYWORD
| easy,nonn
|
|
|
AUTHOR
| Ctibor O. Zizka (ctibor.zizka(AT)seznam.cz), Mar 03 2008, Mar 16 2008
|
|
|
EXTENSIONS
| More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 16 2008
|
| |
|
|
