A143199 - cp's OEIS frontend

A143199 Triangle read by rows: T(n, k) = (n+1)A000096(k-1) + n if k <= floor(n/2), otherwise T(n, k) = (n+1)A000096(n-k-1) + n.

n	a(n)
0	-1
1	-1
2	-1
3	-1
4	2
5	-1
6	-1
7	3
8	3
9	-1
10	-1
11	4
12	14
13	4
14	-1
15	-1
16	5
17	17
18	17
19	5
20	-1
21	-1
22	6
23	20
24	41
25	20
26	6
27	-1
28	-1
29	7
30	23
31	47
32	47
33	23
34	7
35	-1
36	-1
37	8
38	26
39	53
40	89
41	53
42	26
43	8
44	-1
45	-1
46	9
47	29
48	59
49	99
50	99
51	59
52	29
53	9
54	-1
55	-1
56	10
57	32
58	65
59	109
60	164
61	109
62	65
63	32
64	10
65	-1

[-1, -1, -1, -1, 2, -1, -1, 3, 3, -1, -1, 4, 14, 4, -1, -1, 5, 17, 17, 5, -1, -1, 6, 20, 41, 20, 6, -1, -1, 7, 23, 47, 47, 23, 7, -1, -1, 8, 26, 53, 89, 53, 26, 8, -1, -1, 9, 29, 59, 99, 99, 59, 29, 9, -1, -1, 10, 32, 65, 109, 164, 109, 65, 32, 10, -1]

cp's OEIS Frontend

A143199 Triangle read by rows: T(n, k) = (n+1)A000096(k-1) + n if k <= floor(n/2), otherwise T(n, k) = (n+1)A000096(n-k-1) + n.

Table of values

List of values

n	a(n)
0	-1
1	-1
2	-1
3	-1
4	2
5	-1
6	-1
7	3
8	3
9	-1
10	-1
11	4
12	14
13	4
14	-1
15	-1
16	5
17	17
18	17
19	5
20	-1
21	-1
22	6
23	20
24	41
25	20
26	6
27	-1
28	-1
29	7
30	23
31	47
32	47
33	23
34	7
35	-1
36	-1
37	8
38	26
39	53
40	89
41	53
42	26
43	8
44	-1
45	-1
46	9
47	29
48	59
49	99
50	99
51	59
52	29
53	9
54	-1
55	-1
56	10
57	32
58	65
59	109
60	164
61	109
62	65
63	32
64	10
65	-1

n	a(n)
0	-1
1	-1
2	-1
3	-1
4	2
5	-1
6	-1
7	3
8	3
9	-1
10	-1
11	4
12	14
13	4
14	-1
15	-1
16	5
17	17
18	17
19	5
20	-1
21	-1
22	6
23	20
24	41
25	20
26	6
27	-1
28	-1
29	7
30	23
31	47
32	47
33	23
34	7
35	-1
36	-1
37	8
38	26
39	53
40	89
41	53
42	26
43	8
44	-1
45	-1
46	9
47	29
48	59
49	99
50	99
51	59
52	29
53	9
54	-1
55	-1
56	10
57	32
58	65
59	109
60	164
61	109
62	65
63	32
64	10
65	-1

cp's OEIS Frontend

A143199 Triangle read by rows: T(n, k) = (n+1)*A000096(k-1) + n if k <= floor(n/2), otherwise T(n, k) = (n+1)*A000096(n-k-1) + n.

Table of values

List of values

A143199 Triangle read by rows: T(n, k) = (n+1)A000096(k-1) + n if k <= floor(n/2), otherwise T(n, k) = (n+1)A000096(n-k-1) + n.

n	a(n)
0	-1
1	-1
2	-1
3	-1
4	2
5	-1
6	-1
7	3
8	3
9	-1
10	-1
11	4
12	14
13	4
14	-1
15	-1
16	5
17	17
18	17
19	5
20	-1
21	-1
22	6
23	20
24	41
25	20
26	6
27	-1
28	-1
29	7
30	23
31	47
32	47
33	23
34	7
35	-1
36	-1
37	8
38	26
39	53
40	89
41	53
42	26
43	8
44	-1
45	-1
46	9
47	29
48	59
49	99
50	99
51	59
52	29
53	9
54	-1
55	-1
56	10
57	32
58	65
59	109
60	164
61	109
62	65
63	32
64	10
65	-1