|
|
A317197
|
|
a(n) is the concatenation of A103269(n-i) for i = 0,1,2,...,n-1.
|
|
2
|
|
|
1, 121, 1213121, 12131211213121, 121312112131212131211213121, 121312112131212131211213121312112131212131211213121, 12131211213121213121121312131211213121213121121312112131212131211213121312112131212131211213121
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
COMMENTS
|
a(n) is a palindrome.
A027084 gives lengths of these words.
|
|
LINKS
|
|
|
EXAMPLE
|
a(3) = 1213.12.1 = 1213121.
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|