A212868 - cp's OEIS frontend

A212868 Rectangular array T(n,k) = number of nondecreasing sequences of n 1..k integers with no element dividing the sequence sum (for n, k >= 1), read by decreasing antidiagonals.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	1
9	0
10	0
11	0
12	2
13	1
14	0
15	0
16	0
17	5
18	3
19	1
20	0
21	0
22	0
23	7
24	9
25	5
26	2
27	0
28	0
29	0
30	12
31	16
32	15
33	6
34	2
35	0
36	0
37	0
38	16
39	29
40	29
41	22
42	9
43	2
44	0
45	0
46	0
47	22
48	43
49	59
50	52
51	32
52	12
53	3
54	0
55	0
56	0
57	28
58	64
59	103
60	112
61	82
62	40
63	15
64	3
65	0
66	0
67	0
68	37
69	92
70	168
71	212
72	199
73	122
74	59
75	17
76	3
77	0
78	0
79	0
80	43
81	127
82	259
83	376
84	407

[0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 2, 1, 0, 0, 0, 5, 3, 1, 0, 0, 0, 7, 9, 5, 2, 0, 0, 0, 12, 16, 15, 6, 2, 0, 0, 0, 16, 29, 29, 22, 9, 2, 0, 0, 0, 22, 43, 59, 52, 32, 12, 3, 0, 0, 0, 28, 64, 103, 112, 82, 40, 15, 3, 0, 0, 0, 37, 92, 168, 212, 199, 122, 59, 17, 3, 0, 0, 0, 43, 127, 259, 376, 407]

cp's OEIS Frontend

A212868 Rectangular array T(n,k) = number of nondecreasing sequences of n 1..k integers with no element dividing the sequence sum (for n, k >= 1), read by decreasing antidiagonals.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	1
9	0
10	0
11	0
12	2
13	1
14	0
15	0
16	0
17	5
18	3
19	1
20	0
21	0
22	0
23	7
24	9
25	5
26	2
27	0
28	0
29	0
30	12
31	16
32	15
33	6
34	2
35	0
36	0
37	0
38	16
39	29
40	29
41	22
42	9
43	2
44	0
45	0
46	0
47	22
48	43
49	59
50	52
51	32
52	12
53	3
54	0
55	0
56	0
57	28
58	64
59	103
60	112
61	82
62	40
63	15
64	3
65	0
66	0
67	0
68	37
69	92
70	168
71	212
72	199
73	122
74	59
75	17
76	3
77	0
78	0
79	0
80	43
81	127
82	259
83	376
84	407

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	1
9	0
10	0
11	0
12	2
13	1
14	0
15	0
16	0
17	5
18	3
19	1
20	0
21	0
22	0
23	7
24	9
25	5
26	2
27	0
28	0
29	0
30	12
31	16
32	15
33	6
34	2
35	0
36	0
37	0
38	16
39	29
40	29
41	22
42	9
43	2
44	0
45	0
46	0
47	22
48	43
49	59
50	52
51	32
52	12
53	3
54	0
55	0
56	0
57	28
58	64
59	103
60	112
61	82
62	40
63	15
64	3
65	0
66	0
67	0
68	37
69	92
70	168
71	212
72	199
73	122
74	59
75	17
76	3
77	0
78	0
79	0
80	43
81	127
82	259
83	376
84	407

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	1
9	0
10	0
11	0
12	2
13	1
14	0
15	0
16	0
17	5
18	3
19	1
20	0
21	0
22	0
23	7
24	9
25	5
26	2
27	0
28	0
29	0
30	12
31	16
32	15
33	6
34	2
35	0
36	0
37	0
38	16
39	29
40	29
41	22
42	9
43	2
44	0
45	0
46	0
47	22
48	43
49	59
50	52
51	32
52	12
53	3
54	0
55	0
56	0
57	28
58	64
59	103
60	112
61	82
62	40
63	15
64	3
65	0
66	0
67	0
68	37
69	92
70	168
71	212
72	199
73	122
74	59
75	17
76	3
77	0
78	0
79	0
80	43
81	127
82	259
83	376
84	407