A289762 - cp's OEIS frontend

A289762 Triangular array T(m,k) = (m+1-k)^2 + k - 1 with m (row) >= 1 and k (column) >= 1, read by rows.

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

[1, 1, 4, 2, 2, 4, 9, 5, 3, 3, 5, 9, 16, 10, 6, 4, 4, 6, 10, 16, 25, 17, 11, 7, 5, 5, 7, 11, 17, 25, 36, 26, 18, 12, 8, 6, 6, 8, 12, 18, 26, 36, 49, 37, 27, 19, 13, 9, 7, 7, 9, 13, 19, 27, 37, 49, 64, 50, 38, 28, 20, 14, 10, 8, 8, 10, 14, 20, 28, 38, 50, 64, 81, 65, 51, 39, 29, 21, 15, 11, 9]

cp's OEIS Frontend

A289762 Triangular array T(m,k) = (m+1-k)^2 + k - 1 with m (row) >= 1 and k (column) >= 1, read by rows.

Table of values

List of values

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

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

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