|
Search: id:A161561
|
|
|
| A161561 |
|
Next highest sum of the digits of the natural numbers |
|
+0
1
|
|
| 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 29, 39, 49, 59, 69, 79, 89, 99, 199, 299, 399, 499, 599, 699, 799, 899, 999, 1999, 2999, 3999, 4999, 5999, 6999, 7999, 8999, 9999, 19999, 29999, 39999, 49999, 59999, 69999, 79999, 89999, 99999, 199999, 299999, 399999
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
If you add the digits of these terms you will have the sequence of the
natural numbers. For example, the sum of digits of 4 is 4, but the next
highest is 13, 1+3=4.
|
|
FORMULA
|
a(4)=13 because 1+3=4. By "next highest" is meant the next term greater than
the number itself, 4 in this case.
|
|
EXAMPLE
|
For a(1) through a(5), 10, 11, 12, 13, 14 translate to 1 2 3 4 5 (1+4=5)
|
|
CROSSREFS
|
A161551 A075360 A054750
Sequence in context: A008716 A011531 A070839 this_sequence A007959 A102492 A076161
Adjacent sequences: A161558 A161559 A161560 this_sequence A161562 A161563 A161564
|
|
KEYWORD
|
base,easy,nonn,uned
|
|
AUTHOR
|
Enoch Haga (Enokh(AT)comcast.net), Jun 13 2009
|
|
|
Search completed in 0.002 seconds
|
