A204000 - cp's OEIS frontend

A204000 Symmetric matrix based on f(i,j)=min{i(j+1)-1,j(i+1)-1}, by antidiagonals.

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

[1, 2, 2, 3, 5, 3, 4, 7, 7, 4, 5, 9, 11, 9, 5, 6, 11, 14, 14, 11, 6, 7, 13, 17, 19, 17, 13, 7, 8, 15, 20, 23, 23, 20, 15, 8, 9, 17, 23, 27, 29, 27, 23, 17, 9, 10, 19, 26, 31, 34, 34, 31, 26, 19, 10, 11, 21, 29, 35, 39, 41, 39, 35, 29, 21, 11, 12, 23, 32, 39, 44, 47, 47]

cp's OEIS Frontend

A204000 Symmetric matrix based on f(i,j)=min{i(j+1)-1,j(i+1)-1}, by antidiagonals.

Table of values

List of values

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

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

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