A338885 - cp's OEIS frontend

A338885 Irregular triangle read by rows in which the n-th row lists all numbers k such that there exists a diagonal lattice rectangle touching all four sides of an n X k rectangle.

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

[2, 3, 4, 5, 4, 5, 7, 6, 9, 10, 5, 7, 8, 11, 13, 7, 8, 10, 13, 16, 17, 6, 9, 11, 12, 15, 19, 21, 6, 8, 10, 11, 14, 17, 22, 25, 26, 7, 9, 10, 11, 13, 14, 16, 17, 19, 25, 29, 31, 9, 12, 13, 15, 18, 20, 21, 28, 33, 36, 37, 7, 8, 11, 12, 13, 14, 15, 17, 20, 22, 23]

cp's OEIS Frontend

A338885 Irregular triangle read by rows in which the n-th row lists all numbers k such that there exists a diagonal lattice rectangle touching all four sides of an n X k rectangle.

Table of values

List of values

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

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

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