A323952 - cp's OEIS frontend

A323952 Regular triangle read by rows where if k > 1 then T(n, k) is the number of connected subgraphs of an n-cycle with any number of vertices other than 2 through k - 1, n >= 1, 1 <= k <= n - 1. Otherwise T(n, 1) = n.

n	a(n)
1	1
2	2
3	3
4	3
5	7
6	4
7	4
8	13
9	9
10	5
11	5
12	21
13	16
14	11
15	6
16	6
17	31
18	25
19	19
20	13
21	7
22	7
23	43
24	36
25	29
26	22
27	15
28	8
29	8
30	57
31	49
32	41
33	33
34	25
35	17
36	9
37	9
38	73
39	64
40	55
41	46
42	37
43	28
44	19
45	10
46	10
47	91
48	81
49	71
50	61
51	51
52	41
53	31
54	21
55	11
56	11
57	111
58	100
59	89
60	78
61	67
62	56
63	45
64	34
65	23
66	12
67	12
68	133
69	121

[1, 2, 3, 3, 7, 4, 4, 13, 9, 5, 5, 21, 16, 11, 6, 6, 31, 25, 19, 13, 7, 7, 43, 36, 29, 22, 15, 8, 8, 57, 49, 41, 33, 25, 17, 9, 9, 73, 64, 55, 46, 37, 28, 19, 10, 10, 91, 81, 71, 61, 51, 41, 31, 21, 11, 11, 111, 100, 89, 78, 67, 56, 45, 34, 23, 12, 12, 133, 121]

cp's OEIS Frontend

A323952 Regular triangle read by rows where if k > 1 then T(n, k) is the number of connected subgraphs of an n-cycle with any number of vertices other than 2 through k - 1, n >= 1, 1 <= k <= n - 1. Otherwise T(n, 1) = n.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	3
5	7
6	4
7	4
8	13
9	9
10	5
11	5
12	21
13	16
14	11
15	6
16	6
17	31
18	25
19	19
20	13
21	7
22	7
23	43
24	36
25	29
26	22
27	15
28	8
29	8
30	57
31	49
32	41
33	33
34	25
35	17
36	9
37	9
38	73
39	64
40	55
41	46
42	37
43	28
44	19
45	10
46	10
47	91
48	81
49	71
50	61
51	51
52	41
53	31
54	21
55	11
56	11
57	111
58	100
59	89
60	78
61	67
62	56
63	45
64	34
65	23
66	12
67	12
68	133
69	121

n	a(n)
1	1
2	2
3	3
4	3
5	7
6	4
7	4
8	13
9	9
10	5
11	5
12	21
13	16
14	11
15	6
16	6
17	31
18	25
19	19
20	13
21	7
22	7
23	43
24	36
25	29
26	22
27	15
28	8
29	8
30	57
31	49
32	41
33	33
34	25
35	17
36	9
37	9
38	73
39	64
40	55
41	46
42	37
43	28
44	19
45	10
46	10
47	91
48	81
49	71
50	61
51	51
52	41
53	31
54	21
55	11
56	11
57	111
58	100
59	89
60	78
61	67
62	56
63	45
64	34
65	23
66	12
67	12
68	133
69	121

n	a(n)
1	1
2	2
3	3
4	3
5	7
6	4
7	4
8	13
9	9
10	5
11	5
12	21
13	16
14	11
15	6
16	6
17	31
18	25
19	19
20	13
21	7
22	7
23	43
24	36
25	29
26	22
27	15
28	8
29	8
30	57
31	49
32	41
33	33
34	25
35	17
36	9
37	9
38	73
39	64
40	55
41	46
42	37
43	28
44	19
45	10
46	10
47	91
48	81
49	71
50	61
51	51
52	41
53	31
54	21
55	11
56	11
57	111
58	100
59	89
60	78
61	67
62	56
63	45
64	34
65	23
66	12
67	12
68	133
69	121