|
|
A088100
|
|
Group the natural numbers with at least two members in each group such that the n-th group sum is a multiple of n. (1,2),(3,4,5,),(6,7,8),(9,10,11,12,13,14,15),(16,17,18,19),(20,21,22,23,24,25,26,27,28),(29,30,31,32,33,34),... Sequence contains the number of members in the n-th group.
|
2
| |
|
|
2, 3, 3, 7, 4, 9, 6, 11, 8, 5, 4, 3, 12, 13, 5, 32, 17, 8, 18, 19, 6, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5, 13, 5
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
The condition 'at least two terms' is imposed to avoid the trivial grouping (1),(2),(3),(4),(5),...
|
|
LINKS
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|