A176808 - OEIS

A176808

Triangle read by rows: T(n,m)=Floor[(n - 1)/m], 1<=m<=n.

0, 1, 0, 2, 1, 0, 3, 1, 1, 0, 4, 2, 1, 1, 0, 5, 2, 1, 1, 1, 0, 6, 3, 2, 1, 1, 1, 0, 7, 3, 2, 1, 1, 1, 1, 0, 8, 4, 2, 2, 1, 1, 1, 1, 0, 9, 4, 3, 2, 1, 1, 1, 1, 1, 0

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

OFFSET

1,4

COMMENTS

A010766 augmented by trailing zeros.

REFERENCES

F. S. Roberts, Applied Combinatorics, Prentice-Hall, 1984, p. 321.

LINKS

Table of n, a(n) for n=1..55.

EXAMPLE

1, 0;

2, 1, 0;

3, 1, 1, 0;

4, 2, 1, 1, 0;

5, 2, 1, 1, 1, 0;

6, 3, 2, 1, 1, 1, 0;

7, 3, 2, 1, 1, 1, 1, 0;

8, 4, 2, 2, 1, 1, 1, 1, 0;

9, 4, 3, 2, 1, 1, 1, 1, 1, 0;

MAPLE

A176808 := proc(n, m)

floor((n-1)/m) ;

end proc: # R. J. Mathar, Feb 18 2016

MATHEMATICA

t[n_, m_] = Floor[(n - 1)/m];

Table[Table[t[n, m], {m, 1, n}], {n, 1, 10}];

Flatten[%]

CROSSREFS

Cf. A006218 (row sums), A174557.

Sequence in context: A285037 A264422 A376498 * A327029 A167192 A335435

Adjacent sequences: A176805 A176806 A176807 * A176809 A176810 A176811

KEYWORD

nonn,tabl,easy

AUTHOR

Roger L. Bagula, Apr 26 2010

STATUS

approved