A253272 - cp's OEIS frontend

A253272 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, except that (2,0) -> (1,0).

n	a(n)
1	0
2	1
3	2
4	2
5	3
6	3
7	3
8	4
9	4
10	4
11	4
12	5
13	5
14	5
15	5
16	5
17	5
18	6
19	6
20	6
21	6
22	5
23	6
24	6
25	7
26	6
27	7
28	6
29	6
30	6
31	7
32	7
33	7
34	7
35	7
36	7
37	6
38	7
39	7
40	8
41	7
42	8
43	7
44	8
45	7
46	7
47	7
48	8
49	8
50	8
51	8
52	8
53	8
54	8
55	8
56	7
57	8
58	7
59	9
60	8
61	9
62	8
63	9
64	8
65	9
66	8
67	8
68	8
69	8
70	8
71	9
72	9
73	9
74	9
75	9
76	9
77	9
78	9
79	7
80	9
81	8
82	9
83	8
84	10
85	9
86	10

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

cp's OEIS Frontend

A253272 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, except that (2,0) -> (1,0).

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	2
5	3
6	3
7	3
8	4
9	4
10	4
11	4
12	5
13	5
14	5
15	5
16	5
17	5
18	6
19	6
20	6
21	6
22	5
23	6
24	6
25	7
26	6
27	7
28	6
29	6
30	6
31	7
32	7
33	7
34	7
35	7
36	7
37	6
38	7
39	7
40	8
41	7
42	8
43	7
44	8
45	7
46	7
47	7
48	8
49	8
50	8
51	8
52	8
53	8
54	8
55	8
56	7
57	8
58	7
59	9
60	8
61	9
62	8
63	9
64	8
65	9
66	8
67	8
68	8
69	8
70	8
71	9
72	9
73	9
74	9
75	9
76	9
77	9
78	9
79	7
80	9
81	8
82	9
83	8
84	10
85	9
86	10

n	a(n)
1	0
2	1
3	2
4	2
5	3
6	3
7	3
8	4
9	4
10	4
11	4
12	5
13	5
14	5
15	5
16	5
17	5
18	6
19	6
20	6
21	6
22	5
23	6
24	6
25	7
26	6
27	7
28	6
29	6
30	6
31	7
32	7
33	7
34	7
35	7
36	7
37	6
38	7
39	7
40	8
41	7
42	8
43	7
44	8
45	7
46	7
47	7
48	8
49	8
50	8
51	8
52	8
53	8
54	8
55	8
56	7
57	8
58	7
59	9
60	8
61	9
62	8
63	9
64	8
65	9
66	8
67	8
68	8
69	8
70	8
71	9
72	9
73	9
74	9
75	9
76	9
77	9
78	9
79	7
80	9
81	8
82	9
83	8
84	10
85	9
86	10

n	a(n)
1	0
2	1
3	2
4	2
5	3
6	3
7	3
8	4
9	4
10	4
11	4
12	5
13	5
14	5
15	5
16	5
17	5
18	6
19	6
20	6
21	6
22	5
23	6
24	6
25	7
26	6
27	7
28	6
29	6
30	6
31	7
32	7
33	7
34	7
35	7
36	7
37	6
38	7
39	7
40	8
41	7
42	8
43	7
44	8
45	7
46	7
47	7
48	8
49	8
50	8
51	8
52	8
53	8
54	8
55	8
56	7
57	8
58	7
59	9
60	8
61	9
62	8
63	9
64	8
65	9
66	8
67	8
68	8
69	8
70	8
71	9
72	9
73	9
74	9
75	9
76	9
77	9
78	9
79	7
80	9
81	8
82	9
83	8
84	10
85	9
86	10