A204154 - cp's OEIS frontend

A204154 Symmetric matrix based on f(i,j) = max(2i-j, 2j-i), by antidiagonals.

n	a(n)
1	1
2	3
3	3
4	5
5	2
6	5
7	7
8	4
9	4
10	7
11	9
12	6
13	3
14	6
15	9
16	11
17	8
18	5
19	5
20	8
21	11
22	13
23	10
24	7
25	4
26	7
27	10
28	13
29	15
30	12
31	9
32	6
33	6
34	9
35	12
36	15
37	17
38	14
39	11
40	8
41	5
42	8
43	11
44	14
45	17
46	19
47	16
48	13
49	10
50	7
51	7
52	10
53	13
54	16
55	19
56	21
57	18
58	15
59	12
60	9
61	6
62	9
63	12
64	15
65	18
66	21
67	23
68	20
69	17
70	14
71	11
72	8
73	8
74	11
75	14
76	17
77	20

[1, 3, 3, 5, 2, 5, 7, 4, 4, 7, 9, 6, 3, 6, 9, 11, 8, 5, 5, 8, 11, 13, 10, 7, 4, 7, 10, 13, 15, 12, 9, 6, 6, 9, 12, 15, 17, 14, 11, 8, 5, 8, 11, 14, 17, 19, 16, 13, 10, 7, 7, 10, 13, 16, 19, 21, 18, 15, 12, 9, 6, 9, 12, 15, 18, 21, 23, 20, 17, 14, 11, 8, 8, 11, 14, 17, 20]

cp's OEIS Frontend

A204154 Symmetric matrix based on f(i,j) = max(2i-j, 2j-i), by antidiagonals.

Table of values

List of values

n	a(n)
1	1
2	3
3	3
4	5
5	2
6	5
7	7
8	4
9	4
10	7
11	9
12	6
13	3
14	6
15	9
16	11
17	8
18	5
19	5
20	8
21	11
22	13
23	10
24	7
25	4
26	7
27	10
28	13
29	15
30	12
31	9
32	6
33	6
34	9
35	12
36	15
37	17
38	14
39	11
40	8
41	5
42	8
43	11
44	14
45	17
46	19
47	16
48	13
49	10
50	7
51	7
52	10
53	13
54	16
55	19
56	21
57	18
58	15
59	12
60	9
61	6
62	9
63	12
64	15
65	18
66	21
67	23
68	20
69	17
70	14
71	11
72	8
73	8
74	11
75	14
76	17
77	20

n	a(n)
1	1
2	3
3	3
4	5
5	2
6	5
7	7
8	4
9	4
10	7
11	9
12	6
13	3
14	6
15	9
16	11
17	8
18	5
19	5
20	8
21	11
22	13
23	10
24	7
25	4
26	7
27	10
28	13
29	15
30	12
31	9
32	6
33	6
34	9
35	12
36	15
37	17
38	14
39	11
40	8
41	5
42	8
43	11
44	14
45	17
46	19
47	16
48	13
49	10
50	7
51	7
52	10
53	13
54	16
55	19
56	21
57	18
58	15
59	12
60	9
61	6
62	9
63	12
64	15
65	18
66	21
67	23
68	20
69	17
70	14
71	11
72	8
73	8
74	11
75	14
76	17
77	20

n	a(n)
1	1
2	3
3	3
4	5
5	2
6	5
7	7
8	4
9	4
10	7
11	9
12	6
13	3
14	6
15	9
16	11
17	8
18	5
19	5
20	8
21	11
22	13
23	10
24	7
25	4
26	7
27	10
28	13
29	15
30	12
31	9
32	6
33	6
34	9
35	12
36	15
37	17
38	14
39	11
40	8
41	5
42	8
43	11
44	14
45	17
46	19
47	16
48	13
49	10
50	7
51	7
52	10
53	13
54	16
55	19
56	21
57	18
58	15
59	12
60	9
61	6
62	9
63	12
64	15
65	18
66	21
67	23
68	20
69	17
70	14
71	11
72	8
73	8
74	11
75	14
76	17
77	20