A272982 - cp's OEIS frontend

A272982 a(n) is the number of ways of putting n labeled balls into 3 indistinguishable boxes such that each box contains at least 3 balls.

n	a(n)
9	280
10	2100
11	10395
12	42735
13	158301
14	549549
15	1827826
16	5903898
17	18682014
18	58257810
19	179765973
20	550478241
21	1676305723
22	5083927299
23	15372843684
24	46383762084
25	139730030100
26	420448298400
27	1264071094975
28	3798101973315
29	11406989362185
30	34248214131465
31	102803026929030
32	308533903071390

[280, 2100, 10395, 42735, 158301, 549549, 1827826, 5903898, 18682014, 58257810, 179765973, 550478241, 1676305723, 5083927299, 15372843684, 46383762084, 139730030100, 420448298400, 1264071094975, 3798101973315, 11406989362185, 34248214131465, 102803026929030, 308533903071390]

cp's OEIS Frontend

A272982 a(n) is the number of ways of putting n labeled balls into 3 indistinguishable boxes such that each box contains at least 3 balls.

Table of values

List of values