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A359979
Irregular table T(n,k), n >= 0 and k >= 0, read by rows with T(n + 3*k,k) = A008619(n).
0
1, 1, 2, 2, 1, 3, 1, 3, 2, 4, 2, 1, 4, 3, 1, 5, 3, 2, 5, 4, 2, 1, 6, 4, 3, 1, 6, 4, 3, 2, 7, 5, 4, 2, 1, 7, 6, 4, 3, 1, 8, 6, 5, 3, 2, 8, 7, 5, 4, 2, 1, 9, 7, 6, 4, 3, 1, 9, 8, 6, 5, 3, 2, 10, 8, 7, 5, 4, 2, 1, 10, 9, 7, 6, 4, 3, 1, 11, 9, 8, 6, 5, 3, 2
OFFSET
0,3
COMMENTS
A008620(n) is the length of the n-th row.
FORMULA
Sum_{k >= 0} T(n,k) = A001399(n).
EXAMPLE
Table: n >= 0, k >= 0.
1;
1;
2;
2, 1;
3, 1;
3, 2;
4, 2, 1;
4, 3, 1;
5, 3, 2;
5, 4, 2, 1;
6, 4, 3, 1;
6, 5, 3, 2;
7, 5, 4, 2, 1;
7, 6, 4, 3, 1;
8, 6, 5, 3, 2;
8, 7, 5, 4, 2, 1;
9, 7, 6, 4, 3, 1;
9, 8, 6, 5, 3, 2;
....
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Philippe Deléham, Jan 20 2023
STATUS
approved