A377061 - cp's OEIS frontend

A377061 Number of inequivalent n X 3 nonnegative integer arrays with row sums 3 and column sums n up to permutations of rows and columns.

n	a(n)
0	1
1	1
2	2
3	5
4	9
5	14
6	28
7	44
8	73
9	118
10	184
11	276
12	422
13	610
14	880
15	1248
16	1742
17	2383
18	3250
19	4341
20	5758
21	7550
22	9808
23	12600
24	16103
25	20352
26	25572
27	31890
28	39519
29	48620
30	59548
31	72432
32	87703
33	105629
34	126642
35	151077
36	179572
37	212428
38	250408
39	294024
40	344052
41	401106
42	466260
43	540110
44	623908

[1, 1, 2, 5, 9, 14, 28, 44, 73, 118, 184, 276, 422, 610, 880, 1248, 1742, 2383, 3250, 4341, 5758, 7550, 9808, 12600, 16103, 20352, 25572, 31890, 39519, 48620, 59548, 72432, 87703, 105629, 126642, 151077, 179572, 212428, 250408, 294024, 344052, 401106, 466260, 540110, 623908]

cp's OEIS Frontend

A377061 Number of inequivalent n X 3 nonnegative integer arrays with row sums 3 and column sums n up to permutations of rows and columns.

Table of values

List of values