|
|
A110381
|
|
a(n) = corresponding product of parts in A110380.
|
|
0
|
|
|
1, 11, 11, 111, 1221, 1221, 12221, 123321, 1356531, 1356531, 13566531, 135787531, 1370219631, 15072415941, 15072415941, 150725515941, 1507390825941, 15087488356941, 152246473420041, 1674711207620451, 1674711207620451
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
LINKS
|
|
|
EXAMPLE
|
Using n ones and only the * sign we get the following sums.
1 a(1) = 1
11 a(2) =11
1*11 a(3) = 11
1 *111 a(4) =111
11*111 a(5) = 1221
1*11*111 a(6) =1221
1*11*1111 a(7) =12221
1*111*1111
11*111*1111
|
|
CROSSREFS
|
|
|
KEYWORD
|
base,easy,nonn
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|