A215630 - cp's OEIS frontend

A215630 Triangle read by rows: T(n,k) = n^2 - n*k + k^2, 1 <= k <= n.

n	a(n)
1	1
2	3
3	4
4	7
5	7
6	9
7	13
8	12
9	13
10	16
11	21
12	19
13	19
14	21
15	25
16	31
17	28
18	27
19	28
20	31
21	36
22	43
23	39
24	37
25	37
26	39
27	43
28	49
29	57
30	52
31	49
32	48
33	49
34	52
35	57
36	64
37	73
38	67
39	63
40	61
41	61
42	63
43	67
44	73
45	81
46	91
47	84
48	79
49	76
50	75
51	76
52	79
53	84
54	91
55	100
56	111
57	103
58	97
59	93
60	91
61	91
62	93
63	97
64	103
65	111

[1, 3, 4, 7, 7, 9, 13, 12, 13, 16, 21, 19, 19, 21, 25, 31, 28, 27, 28, 31, 36, 43, 39, 37, 37, 39, 43, 49, 57, 52, 49, 48, 49, 52, 57, 64, 73, 67, 63, 61, 61, 63, 67, 73, 81, 91, 84, 79, 76, 75, 76, 79, 84, 91, 100, 111, 103, 97, 93, 91, 91, 93, 97, 103, 111]

cp's OEIS Frontend

A215630 Triangle read by rows: T(n,k) = n^2 - n*k + k^2, 1 <= k <= n.

Table of values

List of values

n	a(n)
1	1
2	3
3	4
4	7
5	7
6	9
7	13
8	12
9	13
10	16
11	21
12	19
13	19
14	21
15	25
16	31
17	28
18	27
19	28
20	31
21	36
22	43
23	39
24	37
25	37
26	39
27	43
28	49
29	57
30	52
31	49
32	48
33	49
34	52
35	57
36	64
37	73
38	67
39	63
40	61
41	61
42	63
43	67
44	73
45	81
46	91
47	84
48	79
49	76
50	75
51	76
52	79
53	84
54	91
55	100
56	111
57	103
58	97
59	93
60	91
61	91
62	93
63	97
64	103
65	111

n	a(n)
1	1
2	3
3	4
4	7
5	7
6	9
7	13
8	12
9	13
10	16
11	21
12	19
13	19
14	21
15	25
16	31
17	28
18	27
19	28
20	31
21	36
22	43
23	39
24	37
25	37
26	39
27	43
28	49
29	57
30	52
31	49
32	48
33	49
34	52
35	57
36	64
37	73
38	67
39	63
40	61
41	61
42	63
43	67
44	73
45	81
46	91
47	84
48	79
49	76
50	75
51	76
52	79
53	84
54	91
55	100
56	111
57	103
58	97
59	93
60	91
61	91
62	93
63	97
64	103
65	111

n	a(n)
1	1
2	3
3	4
4	7
5	7
6	9
7	13
8	12
9	13
10	16
11	21
12	19
13	19
14	21
15	25
16	31
17	28
18	27
19	28
20	31
21	36
22	43
23	39
24	37
25	37
26	39
27	43
28	49
29	57
30	52
31	49
32	48
33	49
34	52
35	57
36	64
37	73
38	67
39	63
40	61
41	61
42	63
43	67
44	73
45	81
46	91
47	84
48	79
49	76
50	75
51	76
52	79
53	84
54	91
55	100
56	111
57	103
58	97
59	93
60	91
61	91
62	93
63	97
64	103
65	111