A375388 - cp's OEIS frontend

A375388 A family of squares S(m), m > 0, read by squares and then by rows; square S(1) is [1, 1; 1, 1]; for m > 0, square S(m+1) is obtained by replacing each subsquare [t, u; v, w] in S(m) by [t, t+u, u; t+v, t+u+v+w, u+w; v, v+w, w].

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	2
9	4
10	2
11	1
12	2
13	1
14	1
15	3
16	2
17	3
18	1
19	3
20	9
21	6
22	9
23	3
24	2
25	6
26	4
27	6
28	2
29	3
30	9
31	6
32	9
33	3
34	1
35	3
36	2
37	3
38	1
39	1
40	4
41	3
42	5
43	2
44	5
45	3
46	4
47	1
48	4
49	16
50	12
51	20
52	8
53	20
54	12
55	16
56	4
57	3
58	12
59	9
60	15
61	6
62	15
63	9
64	12
65	3
66	5
67	20
68	15
69	25
70	10
71	25
72	15
73	20
74	5
75	2
76	8
77	6
78	10
79	4
80	10
81	6
82	8
83	2

[1, 1, 1, 1, 1, 2, 1, 2, 4, 2, 1, 2, 1, 1, 3, 2, 3, 1, 3, 9, 6, 9, 3, 2, 6, 4, 6, 2, 3, 9, 6, 9, 3, 1, 3, 2, 3, 1, 1, 4, 3, 5, 2, 5, 3, 4, 1, 4, 16, 12, 20, 8, 20, 12, 16, 4, 3, 12, 9, 15, 6, 15, 9, 12, 3, 5, 20, 15, 25, 10, 25, 15, 20, 5, 2, 8, 6, 10, 4, 10, 6, 8, 2]

cp's OEIS Frontend

A375388 A family of squares S(m), m > 0, read by squares and then by rows; square S(1) is [1, 1; 1, 1]; for m > 0, square S(m+1) is obtained by replacing each subsquare [t, u; v, w] in S(m) by [t, t+u, u; t+v, t+u+v+w, u+w; v, v+w, w].

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	2
9	4
10	2
11	1
12	2
13	1
14	1
15	3
16	2
17	3
18	1
19	3
20	9
21	6
22	9
23	3
24	2
25	6
26	4
27	6
28	2
29	3
30	9
31	6
32	9
33	3
34	1
35	3
36	2
37	3
38	1
39	1
40	4
41	3
42	5
43	2
44	5
45	3
46	4
47	1
48	4
49	16
50	12
51	20
52	8
53	20
54	12
55	16
56	4
57	3
58	12
59	9
60	15
61	6
62	15
63	9
64	12
65	3
66	5
67	20
68	15
69	25
70	10
71	25
72	15
73	20
74	5
75	2
76	8
77	6
78	10
79	4
80	10
81	6
82	8
83	2

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	2
9	4
10	2
11	1
12	2
13	1
14	1
15	3
16	2
17	3
18	1
19	3
20	9
21	6
22	9
23	3
24	2
25	6
26	4
27	6
28	2
29	3
30	9
31	6
32	9
33	3
34	1
35	3
36	2
37	3
38	1
39	1
40	4
41	3
42	5
43	2
44	5
45	3
46	4
47	1
48	4
49	16
50	12
51	20
52	8
53	20
54	12
55	16
56	4
57	3
58	12
59	9
60	15
61	6
62	15
63	9
64	12
65	3
66	5
67	20
68	15
69	25
70	10
71	25
72	15
73	20
74	5
75	2
76	8
77	6
78	10
79	4
80	10
81	6
82	8
83	2

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	2
9	4
10	2
11	1
12	2
13	1
14	1
15	3
16	2
17	3
18	1
19	3
20	9
21	6
22	9
23	3
24	2
25	6
26	4
27	6
28	2
29	3
30	9
31	6
32	9
33	3
34	1
35	3
36	2
37	3
38	1
39	1
40	4
41	3
42	5
43	2
44	5
45	3
46	4
47	1
48	4
49	16
50	12
51	20
52	8
53	20
54	12
55	16
56	4
57	3
58	12
59	9
60	15
61	6
62	15
63	9
64	12
65	3
66	5
67	20
68	15
69	25
70	10
71	25
72	15
73	20
74	5
75	2
76	8
77	6
78	10
79	4
80	10
81	6
82	8
83	2