|
|
A095937
|
|
a(n) = Sum_{k=0..n} (k-1)^k.
|
|
0
|
|
|
1, 2, 10, 91, 1115, 16740, 296676, 6061477, 140279205, 3627063606, 103627063606, 3242055440327, 110235260819399, 4047611646518688, 159615707204330912, 6728024062917221537, 301875929242270047393, 14364960381309995038402
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
LINKS
|
|
|
MAPLE
|
a:=n->sum ((j-1)^j, j=0..n): seq(a(n), n=1..19); # Zerinvary Lajos, Dec 17 2008
|
|
PROG
|
(PARI) a(n) = sum(k=0, n, (k-1)^k); \\ Michel Marcus, Aug 17 2017
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Herman Jamke (hermanjamke(AT)fastmail.fm), Jul 13 2004
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|