|
| |
| |
|
|
|
0, 1, 16, 6561, 4294967296, 23283064365386962890625, 63340286662973277706162286946811886609896461828096, 1487815647197611695910312681741273570332356717154798949898498305086387315423300999654757561928633305897036801
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,3
|
|
|
COMMENTS
| Number of mappings from 2^X to X where X is an n-set.
|
|
|
LINKS
| Vincenzo Librandi, Table of n, a(n) for n = 0..12
Yasutoshi Kohmoto, The Other Side of Mathematics
|
|
|
FORMULA
| a(6)=A080174(6)-1. a(5)=A013737(10)=A013835(6). a(4)=A000079(32)=A002489(4)=A000215(5)-1. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 23 2007
|
|
|
MATHEMATICA
| Table[n^2^n, {n, 0, 7}] [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Mar 01 2010]
|
|
|
PROG
| (MAGMA) [n^(2^n): n in [0..12]]; // Vincenzo Librandi, May 25 2011
(PARI) a(n)=n^(1<<n) \\ Charles R Greathouse IV, May 25, 2011
|
|
|
CROSSREFS
| Cf. A020955.
Sequence in context: A181028 A159403 A017008 * A088654 A079920 A203390
Adjacent sequences: A097544 A097545 A097546 * A097548 A097549 A097550
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Yasutoshi Kohmoto (zbi74583(AT)boat.zero.ad.jp), Aug 28 2004
|
| |
|
|
