A359979 - OEIS

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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).

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

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

COMMENTS

A008620(n) is the length of the n-th row.

LINKS

Table of n, a(n) for n=0..83.

FORMULA

Sum_{k >= 0} T(n,k) = A001399(n).

EXAMPLE

Table: n >= 0, k >= 0.

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

Cf. A001399, A008619, A008620, A008642, A008805.

Sequence in context: A340985 A259176 A237591 * A277730 A174167 A374064

Adjacent sequences: A359976 A359977 A359978 * A359980 A359981 A359982

KEYWORD

nonn,tabf

AUTHOR

Philippe Deléham, Jan 20 2023

STATUS

approved