A257569 - cp's OEIS frontend

A257569 Triangular array read by rows: T(h,k) = number of steps from (h,k) to (0,0), where one step is (x,y) -> (x-1, y) if x is odd or (x,y) -> (y, x/2) if x is even.

n	a(n)
1	0
2	1
3	2
4	3
5	3
6	4
7	4
8	4
9	5
10	5
11	5
12	5
13	5
14	6
15	6
16	6
17	6
18	6
19	6
20	7
21	7
22	6
23	7
24	6
25	7
26	7
27	8
28	7
29	7
30	7
31	7
32	7
33	8
34	8
35	8
36	8
37	7
38	8
39	7
40	8
41	7
42	9
43	8
44	9
45	8
46	8
47	8
48	8
49	8
50	8
51	8
52	9
53	9
54	9
55	9
56	8
57	9
58	8
59	9
60	8
61	9
62	8
63	10
64	9
65	10
66	9
67	9
68	9
69	9
70	9
71	9
72	9
73	9
74	9
75	10
76	10
77	10
78	10
79	8
80	10
81	9
82	10
83	8

[0, 1, 2, 3, 3, 4, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 6, 7, 6, 7, 7, 8, 7, 7, 7, 7, 7, 8, 8, 8, 8, 7, 8, 7, 8, 7, 9, 8, 9, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 8, 9, 8, 9, 8, 9, 8, 10, 9, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 8, 10, 9, 10, 8]

cp's OEIS Frontend

A257569 Triangular array read by rows: T(h,k) = number of steps from (h,k) to (0,0), where one step is (x,y) -> (x-1, y) if x is odd or (x,y) -> (y, x/2) if x is even.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	3
5	3
6	4
7	4
8	4
9	5
10	5
11	5
12	5
13	5
14	6
15	6
16	6
17	6
18	6
19	6
20	7
21	7
22	6
23	7
24	6
25	7
26	7
27	8
28	7
29	7
30	7
31	7
32	7
33	8
34	8
35	8
36	8
37	7
38	8
39	7
40	8
41	7
42	9
43	8
44	9
45	8
46	8
47	8
48	8
49	8
50	8
51	8
52	9
53	9
54	9
55	9
56	8
57	9
58	8
59	9
60	8
61	9
62	8
63	10
64	9
65	10
66	9
67	9
68	9
69	9
70	9
71	9
72	9
73	9
74	9
75	10
76	10
77	10
78	10
79	8
80	10
81	9
82	10
83	8

n	a(n)
1	0
2	1
3	2
4	3
5	3
6	4
7	4
8	4
9	5
10	5
11	5
12	5
13	5
14	6
15	6
16	6
17	6
18	6
19	6
20	7
21	7
22	6
23	7
24	6
25	7
26	7
27	8
28	7
29	7
30	7
31	7
32	7
33	8
34	8
35	8
36	8
37	7
38	8
39	7
40	8
41	7
42	9
43	8
44	9
45	8
46	8
47	8
48	8
49	8
50	8
51	8
52	9
53	9
54	9
55	9
56	8
57	9
58	8
59	9
60	8
61	9
62	8
63	10
64	9
65	10
66	9
67	9
68	9
69	9
70	9
71	9
72	9
73	9
74	9
75	10
76	10
77	10
78	10
79	8
80	10
81	9
82	10
83	8

n	a(n)
1	0
2	1
3	2
4	3
5	3
6	4
7	4
8	4
9	5
10	5
11	5
12	5
13	5
14	6
15	6
16	6
17	6
18	6
19	6
20	7
21	7
22	6
23	7
24	6
25	7
26	7
27	8
28	7
29	7
30	7
31	7
32	7
33	8
34	8
35	8
36	8
37	7
38	8
39	7
40	8
41	7
42	9
43	8
44	9
45	8
46	8
47	8
48	8
49	8
50	8
51	8
52	9
53	9
54	9
55	9
56	8
57	9
58	8
59	9
60	8
61	9
62	8
63	10
64	9
65	10
66	9
67	9
68	9
69	9
70	9
71	9
72	9
73	9
74	9
75	10
76	10
77	10
78	10
79	8
80	10
81	9
82	10
83	8