|
| |
|
|
A165812
|
|
Ultraprimorials: a(n) = p#^p#.
|
|
3
| | |
|
|
|
OFFSET
| 0,2
|
|
|
COMMENTS
| The n-th Primorial raised to its own power.
Terms from a(4) on have 488, 7770, 134461 and 2913994 digits (A195188) and are too large to be listed explicitly.
|
|
|
FORMULA
| a(n) = A000312(A002110(n)) . [R. J. Mathar, Sep 29 2009]
|
|
|
MAPLE
| P:=proc(i) local a, n; a:=1; print(1); for n from 1 by 1 to i do a:=a*ithprime(n); print(a^a); od; end: P(10);
|
|
|
CROSSREFS
| Cf. A002110, A046882
Sequence in context: A173138 A132638 A046882 * A074318 A102200 A066544
Adjacent sequences: A165809 A165810 A165811 * A165813 A165814 A165815
|
|
|
KEYWORD
| easy,nonn
|
|
|
AUTHOR
| Paolo P. Lava & Giorgio Balzarotti (paoloplava(AT)gmail.com), Sep 28 2009
|
|
|
EXTENSIONS
| Slightly edited by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 29 2009
|
| |
|
|
