A210521 - cp's OEIS frontend

A210521 Array read by downward antidiagonals: T(n,k) = (n+k-1)(n+k-2) + n + floor((n+k)/2)(1-2*floor((n+k)/2)), for n, k > 0.

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

[1, 3, 5, 2, 4, 6, 8, 10, 12, 14, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68]

cp's OEIS Frontend

A210521 Array read by downward antidiagonals: T(n,k) = (n+k-1)(n+k-2) + n + floor((n+k)/2)(1-2*floor((n+k)/2)), for n, k > 0.

Table of values

List of values

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

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

cp's OEIS Frontend

A210521 Array read by downward antidiagonals: T(n,k) = (n+k-1)*(n+k-2) + n + floor((n+k)/2)*(1-2*floor((n+k)/2)), for n, k > 0.

Table of values

List of values

A210521 Array read by downward antidiagonals: T(n,k) = (n+k-1)(n+k-2) + n + floor((n+k)/2)(1-2*floor((n+k)/2)), for n, k > 0.

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