|
Search: id:A075507
|
|
| |
|
| 1, 9, 89, 1009, 13457, 210105, 3747753, 74565473, 1628999841, 38704241897, 993034281593, 27340167242321, 803154583649329, 25050853217628313, 826165199464341705, 28707262835597618369, 1047731789671001235265
(list; graph; listen)
|
|
|
OFFSET
|
0,2
|
|
|
FORMULA
|
a(n)=sum((8^(n-m))*S2(n, m), m=1..n), n>=1, with S2(n, m) := A008277(n, m) (Stirling2).
E.g.f.: exp(exp(8*x)-1)/8)-1.
|
|
CROSSREFS
|
Cf. A075506, A075508.
Sequence in context: A095722 A069573 A101679 this_sequence A094935 A078248 A121029
Adjacent sequences: A075504 A075505 A075506 this_sequence A075508 A075509 A075510
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Oct 02, 2002
|
|
|
Search completed in 0.002 seconds
|
