A188568 - cp's OEIS frontend

A188568 Enumeration table T(n,k) by descending antidiagonals. The order of the list - if n is odd: T(n,1), T(2,n-1), T(n-2,3), ..., T(n-1,2), T(1,n); if n is even: T(1,n), T(n-1,2), T(3,n-2), ..., T(2,n-1), T(n,1).

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

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

cp's OEIS Frontend

A188568 Enumeration table T(n,k) by descending antidiagonals. The order of the list - if n is odd: T(n,1), T(2,n-1), T(n-2,3), ..., T(n-1,2), T(1,n); if n is even: T(1,n), T(n-1,2), T(3,n-2), ..., T(2,n-1), T(n,1).

Table of values

List of values

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

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

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