|
|
A347737
|
|
Zero together with the partial sums of A238005.
|
|
0
|
|
|
0, 0, 0, 0, 1, 1, 2, 3, 5, 5, 7, 9, 11, 13, 15, 16, 20, 23, 25, 28, 31, 33, 37, 41, 45, 48, 52, 54, 59, 64, 67, 72, 78, 81, 86, 89, 94, 100, 106, 110, 116, 122, 126, 132, 138, 141, 148, 155, 162, 168, 174, 179, 186, 193, 198, 204, 212, 218, 226, 234, 240, 248, 256, 260
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,7
|
|
COMMENTS
|
a(n) is also the total number of ones in the first n rows of A347579, n >= 1.
|
|
LINKS
|
|
|
FORMULA
|
|
|
MATHEMATICA
|
Accumulate@Table[Length@Select[Select[IntegerPartitions@n, DuplicateFreeQ], Differences@MinMax@#=={Length@#}&], {n, 60}] (* Giorgos Kalogeropoulos, Sep 12 2021 *)
|
|
CROSSREFS
|
a(n) is also the total number of zeros in the first n rows of the triangles A196020, A211343, A231345, A236106, A237048 (simpler), A239662, A261699, A271344, A272026, A280850, A285574, A285891, A285914, A286013, A296508 (and possibly others), n >= 1.
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|