|
|
A069054
|
|
a(1)=0 a(2)=1 a(n)=concatenate(a(n-1)a(n-2)...a(1))-a(n-1).
|
|
0
|
|
|
0, 1, 9, 901, 901009, 901009000901, 901009000901000000901009, 901009000901000000901009000000000000901009000901, 901009000901000000901009000000000000901009000901000000000000000000000000901009000901000000901009
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,3
|
|
LINKS
|
|
|
EXAMPLE
|
a(5)=concatenate(a(4)a(3)a(2)a(1))-a(4)=901910-901=901009
|
|
CROSSREFS
|
|
|
KEYWORD
|
easy,nonn,base
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|