A283845 - cp's OEIS frontend

A283845 Square array read by antidiagonals: T(1,1) = T(1,2) = T(2,1) = T(2,2) = 1; thereafter T(m,n) = min {T(m,n-2) + T(m,n-1), T(m-2,n) + T(m-1,n), T(m-2,n-2) + T(m-1,n-1)}.

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	3
8	2
9	2
10	3
11	5
12	3
13	2
14	3
15	5
16	8
17	5
18	3
19	3
20	5
21	8
22	13
23	8
24	5
25	3
26	5
27	8
28	13
29	21
30	13
31	8
32	5
33	5
34	8
35	13
36	21
37	34
38	21
39	13
40	8
41	5
42	8
43	13
44	21
45	34
46	55
47	34
48	21
49	13
50	8
51	8
52	13
53	21
54	34
55	55
56	89
57	55
58	34
59	21
60	13
61	8
62	13
63	21
64	34
65	55
66	89
67	144
68	89
69	55
70	34
71	21
72	13
73	13
74	21
75	34
76	55
77	89
78	144

[1, 1, 1, 2, 1, 2, 3, 2, 2, 3, 5, 3, 2, 3, 5, 8, 5, 3, 3, 5, 8, 13, 8, 5, 3, 5, 8, 13, 21, 13, 8, 5, 5, 8, 13, 21, 34, 21, 13, 8, 5, 8, 13, 21, 34, 55, 34, 21, 13, 8, 8, 13, 21, 34, 55, 89, 55, 34, 21, 13, 8, 13, 21, 34, 55, 89, 144, 89, 55, 34, 21, 13, 13, 21, 34, 55, 89, 144]

cp's OEIS Frontend

A283845 Square array read by antidiagonals: T(1,1) = T(1,2) = T(2,1) = T(2,2) = 1; thereafter T(m,n) = min {T(m,n-2) + T(m,n-1), T(m-2,n) + T(m-1,n), T(m-2,n-2) + T(m-1,n-1)}.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	3
8	2
9	2
10	3
11	5
12	3
13	2
14	3
15	5
16	8
17	5
18	3
19	3
20	5
21	8
22	13
23	8
24	5
25	3
26	5
27	8
28	13
29	21
30	13
31	8
32	5
33	5
34	8
35	13
36	21
37	34
38	21
39	13
40	8
41	5
42	8
43	13
44	21
45	34
46	55
47	34
48	21
49	13
50	8
51	8
52	13
53	21
54	34
55	55
56	89
57	55
58	34
59	21
60	13
61	8
62	13
63	21
64	34
65	55
66	89
67	144
68	89
69	55
70	34
71	21
72	13
73	13
74	21
75	34
76	55
77	89
78	144

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	3
8	2
9	2
10	3
11	5
12	3
13	2
14	3
15	5
16	8
17	5
18	3
19	3
20	5
21	8
22	13
23	8
24	5
25	3
26	5
27	8
28	13
29	21
30	13
31	8
32	5
33	5
34	8
35	13
36	21
37	34
38	21
39	13
40	8
41	5
42	8
43	13
44	21
45	34
46	55
47	34
48	21
49	13
50	8
51	8
52	13
53	21
54	34
55	55
56	89
57	55
58	34
59	21
60	13
61	8
62	13
63	21
64	34
65	55
66	89
67	144
68	89
69	55
70	34
71	21
72	13
73	13
74	21
75	34
76	55
77	89
78	144

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	3
8	2
9	2
10	3
11	5
12	3
13	2
14	3
15	5
16	8
17	5
18	3
19	3
20	5
21	8
22	13
23	8
24	5
25	3
26	5
27	8
28	13
29	21
30	13
31	8
32	5
33	5
34	8
35	13
36	21
37	34
38	21
39	13
40	8
41	5
42	8
43	13
44	21
45	34
46	55
47	34
48	21
49	13
50	8
51	8
52	13
53	21
54	34
55	55
56	89
57	55
58	34
59	21
60	13
61	8
62	13
63	21
64	34
65	55
66	89
67	144
68	89
69	55
70	34
71	21
72	13
73	13
74	21
75	34
76	55
77	89
78	144