A326588 Sum of all the parts in the partitions of n into 10 parts.

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 11, 24, 39, 70, 105, 176, 255, 396, 570, 840, 1155, 1650, 2231, 3072, 4100, 5512, 7209, 9520, 12267, 15900, 20243, 25824, 32472, 40936, 50925, 63396, 78144, 96292, 117585, 143600, 173922, 210546, 253184, 304128, 363150

Offset: 0

Author

Wesley Ivan Hurt, Jul 13 2019

Keywords

• nonn

Links

• Index entries for sequences related to partitions

Crossrefs

Cf. A026816, A326589, A326590, A326591, A326592, A326593, A326594, A326595, A326596, A326597, A326598.

Programs

Mathematica

Table[n * Sum[Sum[Sum[Sum[Sum[Sum[Sum[Sum[Sum[1, {i, j, Floor[(n - j - k - l - m - o - p - q - r)/2]}], {j, k, Floor[(n - k - l - m - o - p - q - r)/3]}], {k, l, Floor[(n - l - m - o - p - q - r)/4]}], {l, m, Floor[(n - m - o - p - q - r)/5]}], {m, o, Floor[(n - o - p - q - r)/6]}], {o, p, Floor[(n - p - q - r)/7]}], {p, q, Floor[(n - q - r)/8]}], {q, r, Floor[(n - r)/9]}], {r, Floor[n/10]}], {n, 0, 50}]

Formula

a(n) = n * Sum_{r=1..floor(n/10)} Sum_{q=r..floor((n-r)/9)} Sum_{p=q..floor((n-q-r)/8)} Sum_{o=p..floor((n-p-q-r)/7)} Sum_{m=o..floor((n-o-p-q-r)/6)} Sum_{l=m..floor((n-m-o-p-q-r)/5)} Sum_{k=l..floor((n-l-m-o-p-q-r)/4)} Sum_{j=k..floor((n-k-l-m-o-p-q-r)/3)} Sum_{i=j..floor((n-j-k-l-m-o-p-q-r)/2)} 1.

a(n) = n * A026816(n).

a(n) = A326589(n) + A326590(n) + A326591(n) + A326592(n) + A326593(n) + A326594(n) + A326595(n) + A326596(n) + A326597(n) + A326598(n).