A108644 - cp's OEIS frontend

A108644 Square array A(n,k) read by ascending antidiagonals: A(n,n) = n^2, if n>k: A(n,k) = n*(n-1) + k, if k>n: A(n,k) = n + (k-1)^2.

n	a(n)
1	1
2	3
3	2
4	7
5	4
6	5
7	13
8	8
9	6
10	10
11	21
12	14
13	9
14	11
15	17
16	31
17	22
18	15
19	12
20	18
21	26
22	43
23	32
24	23
25	16
26	19
27	27
28	37
29	57
30	44
31	33
32	24
33	20
34	28
35	38
36	50
37	73
38	58
39	45
40	34
41	25
42	29
43	39
44	51
45	65
46	91
47	74
48	59
49	46
50	35
51	30
52	40
53	52
54	66
55	82
56	111
57	92
58	75
59	60
60	47
61	36
62	41
63	53
64	67
65	83
66	101

[1, 3, 2, 7, 4, 5, 13, 8, 6, 10, 21, 14, 9, 11, 17, 31, 22, 15, 12, 18, 26, 43, 32, 23, 16, 19, 27, 37, 57, 44, 33, 24, 20, 28, 38, 50, 73, 58, 45, 34, 25, 29, 39, 51, 65, 91, 74, 59, 46, 35, 30, 40, 52, 66, 82, 111, 92, 75, 60, 47, 36, 41, 53, 67, 83, 101]

cp's OEIS Frontend

A108644 Square array A(n,k) read by ascending antidiagonals: A(n,n) = n^2, if n>k: A(n,k) = n*(n-1) + k, if k>n: A(n,k) = n + (k-1)^2.

Table of values

List of values

n	a(n)
1	1
2	3
3	2
4	7
5	4
6	5
7	13
8	8
9	6
10	10
11	21
12	14
13	9
14	11
15	17
16	31
17	22
18	15
19	12
20	18
21	26
22	43
23	32
24	23
25	16
26	19
27	27
28	37
29	57
30	44
31	33
32	24
33	20
34	28
35	38
36	50
37	73
38	58
39	45
40	34
41	25
42	29
43	39
44	51
45	65
46	91
47	74
48	59
49	46
50	35
51	30
52	40
53	52
54	66
55	82
56	111
57	92
58	75
59	60
60	47
61	36
62	41
63	53
64	67
65	83
66	101

n	a(n)
1	1
2	3
3	2
4	7
5	4
6	5
7	13
8	8
9	6
10	10
11	21
12	14
13	9
14	11
15	17
16	31
17	22
18	15
19	12
20	18
21	26
22	43
23	32
24	23
25	16
26	19
27	27
28	37
29	57
30	44
31	33
32	24
33	20
34	28
35	38
36	50
37	73
38	58
39	45
40	34
41	25
42	29
43	39
44	51
45	65
46	91
47	74
48	59
49	46
50	35
51	30
52	40
53	52
54	66
55	82
56	111
57	92
58	75
59	60
60	47
61	36
62	41
63	53
64	67
65	83
66	101

n	a(n)
1	1
2	3
3	2
4	7
5	4
6	5
7	13
8	8
9	6
10	10
11	21
12	14
13	9
14	11
15	17
16	31
17	22
18	15
19	12
20	18
21	26
22	43
23	32
24	23
25	16
26	19
27	27
28	37
29	57
30	44
31	33
32	24
33	20
34	28
35	38
36	50
37	73
38	58
39	45
40	34
41	25
42	29
43	39
44	51
45	65
46	91
47	74
48	59
49	46
50	35
51	30
52	40
53	52
54	66
55	82
56	111
57	92
58	75
59	60
60	47
61	36
62	41
63	53
64	67
65	83
66	101