A058400 Triangle of partial row sums of partition triangle A058398.

1, 2, 1, 3, 2, 1, 5, 4, 3, 1, 7, 6, 5, 3, 1, 11, 10, 9, 7, 4, 1, 15, 14, 13, 11, 8, 4, 1, 22, 21, 20, 18, 15, 10, 5, 1, 30, 29, 28, 26, 23, 18, 12, 5, 1, 42, 41, 40, 38, 35, 30, 23, 14, 6, 1, 56, 55, 54, 52, 49, 44, 37, 27, 16, 6, 1, 77, 76, 75, 73, 70, 65, 58, 47, 34, 19, 7, 1, 101

Offset

1,2

Comments

Mirror of A026820. - Omar E. Pol, Apr 21 2012

Links

Table of n, a(n) for n=1..79.

Formula

a(n, m) = sum(A058398(n, k), k=m..n).

Example

Triangle begins:
1;
2,   1;
3,   2,  1;
5,   4,  3,  1;
7,   6,  5,  3, 1;
11, 10,  9,  7, 4, 1;
15, 14, 13, 11, 8, 4, 1;

Crossrefs

Columns 1-3: A000041(n), A000065(n), A007042(n+1).

Cf. A008284.

Sequence in context: A209434 A207611 A320973 * A131344 A129262 A322263

Adjacent sequences: A058397 A058398 A058399 * A058401 A058402 A058403

Keyword

nonn,tabl

Author

Wolfdieter Lang, Dec 11 2000

Status

approved