|
Search: id:A034834
|
|
|
| A034834 |
|
One seventh of sept-factorial numbers. |
|
+0
8
|
|
| 1, 14, 294, 8232, 288120, 12101040, 592950960, 33205253760, 2091930986880, 146435169081600, 11275508019283200, 947142673619788800, 86189983299400780800, 8446618363341276518400, 886894928150834034432000
(list; graph; listen)
|
|
|
OFFSET
|
1,2
|
|
|
LINKS
|
Index entries for sequences related to factorial numbers
|
|
FORMULA
|
7*a(n) = (7*n)(!^7) := product(7*j, j=1..n)= 7^n*n!; E.g.f. (-1+1/(1-7*x))/7.
|
|
MATHEMATICA
|
s=1; lst={s}; Do[s+=n*s; AppendTo[lst, s], {n, 13, 5!, 7}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Nov 08 2008]
|
|
CROSSREFS
|
Cf. A045754, A034829-A034834.
Sequence in context: A027401 A158475 A116165 this_sequence A034912 A035018 A133130
Adjacent sequences: A034831 A034832 A034833 this_sequence A034835 A034836 A034837
|
|
KEYWORD
|
easy,nonn
|
|
AUTHOR
|
Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de)
|
|
|
Search completed in 0.002 seconds
|
