

A115514


Triangle read by rows: row n lists first n positive members of A004526 (integers repeated) in decreasing order.


2



1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 3, 2, 2, 1, 1, 3, 3, 2, 2, 1, 1, 4, 3, 3, 2, 2, 1, 1, 4, 4, 3, 3, 2, 2, 1, 1, 5, 4, 4, 3, 3, 2, 2, 1, 1, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 7, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1
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OFFSET

1,4


COMMENTS

Row sums = A002620 starting (1, 2, 4, 6, 9, 12, 16, 20,...).  Gary W. Adamson, Oct 25 2007
Equals A000012 * A128174  Gary W. Adamson, Oct 25 2007


LINKS

Table of n, a(n) for n=1..105.


EXAMPLE

Triangle begins:
{1},
{1, 1},
{2, 1, 1},
{2, 2, 1, 1},
{3, 2, 2, 1, 1},
{3, 3, 2, 2, 1, 1},
{4, 3, 3, 2, 2, 1, 1}
...


CROSSREFS

Cf. A000073, A004526, A128174, A002620.
Sequence in context: A174545 A102523 A083415 * A122632 A176809 A187451
Adjacent sequences: A115511 A115512 A115513 * A115515 A115516 A115517


KEYWORD

nonn,tabl


AUTHOR

Roger L. Bagula, Mar 07 2006


EXTENSIONS

Edited by N. J. A. Sloane, Mar 23 2008


STATUS

approved



