A259975 - cp's OEIS frontend

A259975 Irregular triangle read by rows: T(n,k) = number of ways of placing n balls into k boxes in such a way that any two adjacent boxes contain at least 4 balls.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	5
6	1
7	1
8	6
9	4
10	1
11	7
12	9
13	1
14	8
15	16
16	1
17	9
18	25
19	15
20	1
21	1
22	10
23	35
24	40
25	8
26	1
27	11
28	46
29	76
30	31
31	1
32	12
33	58
34	124
35	85
36	1
37	13
38	71
39	185
40	190
41	35
42	1
43	1
44	14
45	85
46	260
47	360
48	154
49	13
50	1
51	15
52	100
53	350
54	610
55	424
56	76
57	1
58	16
59	116
60	456
61	956
62	930
63	295

[1, 1, 1, 1, 1, 5, 1, 1, 6, 4, 1, 7, 9, 1, 8, 16, 1, 9, 25, 15, 1, 1, 10, 35, 40, 8, 1, 11, 46, 76, 31, 1, 12, 58, 124, 85, 1, 13, 71, 185, 190, 35, 1, 1, 14, 85, 260, 360, 154, 13, 1, 15, 100, 350, 610, 424, 76, 1, 16, 116, 456, 956, 930, 295]

cp's OEIS Frontend

A259975 Irregular triangle read by rows: T(n,k) = number of ways of placing n balls into k boxes in such a way that any two adjacent boxes contain at least 4 balls.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	5
6	1
7	1
8	6
9	4
10	1
11	7
12	9
13	1
14	8
15	16
16	1
17	9
18	25
19	15
20	1
21	1
22	10
23	35
24	40
25	8
26	1
27	11
28	46
29	76
30	31
31	1
32	12
33	58
34	124
35	85
36	1
37	13
38	71
39	185
40	190
41	35
42	1
43	1
44	14
45	85
46	260
47	360
48	154
49	13
50	1
51	15
52	100
53	350
54	610
55	424
56	76
57	1
58	16
59	116
60	456
61	956
62	930
63	295

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	5
6	1
7	1
8	6
9	4
10	1
11	7
12	9
13	1
14	8
15	16
16	1
17	9
18	25
19	15
20	1
21	1
22	10
23	35
24	40
25	8
26	1
27	11
28	46
29	76
30	31
31	1
32	12
33	58
34	124
35	85
36	1
37	13
38	71
39	185
40	190
41	35
42	1
43	1
44	14
45	85
46	260
47	360
48	154
49	13
50	1
51	15
52	100
53	350
54	610
55	424
56	76
57	1
58	16
59	116
60	456
61	956
62	930
63	295

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	5
6	1
7	1
8	6
9	4
10	1
11	7
12	9
13	1
14	8
15	16
16	1
17	9
18	25
19	15
20	1
21	1
22	10
23	35
24	40
25	8
26	1
27	11
28	46
29	76
30	31
31	1
32	12
33	58
34	124
35	85
36	1
37	13
38	71
39	185
40	190
41	35
42	1
43	1
44	14
45	85
46	260
47	360
48	154
49	13
50	1
51	15
52	100
53	350
54	610
55	424
56	76
57	1
58	16
59	116
60	456
61	956
62	930
63	295