|
|
A134548
|
|
a(1)=1, a(n) = 2 + maximal digit of Sum_{j=1..n-1} a(j).
|
|
1
|
|
|
1, 3, 6, 3, 5, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 4, 6, 5, 7, 6, 10, 10, 10, 10, 10, 11, 11, 4, 6, 5, 7, 6, 10, 10, 10, 10, 10, 11, 11, 5, 7, 5, 9, 8, 7, 8, 11, 10, 11, 6, 9, 8, 6, 6, 8, 6, 7, 9, 8, 9, 10, 11, 7, 7, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 8, 10, 10, 10, 10, 10, 10, 10
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
COMMENTS
|
For n > 1, 3 <= a(n) <= 11 by definition. Also subsequences with repeating terms may be arbitrarily long. What about any other patterns, periods, etc.?
|
|
LINKS
|
|
|
MATHEMATICA
|
a[1]=i=s=1; Do[i++; b=2+Max[IntegerDigits[s]]; a[i]=b; s+=b, {145}]; Table[a[k], {k, i}]
|
|
CROSSREFS
|
|
|
KEYWORD
|
base,nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|