A265692 - cp's OEIS frontend

A265692 Irregular triangle read by rows: lexicographically last addition chain of minimal length for n.

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	3
7	1
8	2
9	4
10	1
11	2
12	4
13	5
14	1
15	2
16	4
17	6
18	1
19	2
20	4
21	6
22	7
23	1
24	2
25	4
26	8
27	1
28	2
29	4
30	8
31	9
32	1
33	2
34	4
35	8
36	10
37	1
38	2
39	4
40	8
41	10
42	11
43	1
44	2
45	4
46	8
47	12
48	1
49	2
50	4
51	8
52	12
53	13
54	1
55	2
56	4
57	8
58	12
59	14
60	1
61	2
62	4
63	5
64	10
65	15
66	1
67	2
68	4
69	8
70	16
71	1
72	2
73	4
74	8
75	16
76	17
77	1
78	2
79	4
80	8
81	16
82	18
83	1
84	2
85	4
86	8
87	16
88	18
89	19
90	1
91	2
92	4
93	8
94	16
95	20

[1, 1, 2, 1, 2, 3, 1, 2, 4, 1, 2, 4, 5, 1, 2, 4, 6, 1, 2, 4, 6, 7, 1, 2, 4, 8, 1, 2, 4, 8, 9, 1, 2, 4, 8, 10, 1, 2, 4, 8, 10, 11, 1, 2, 4, 8, 12, 1, 2, 4, 8, 12, 13, 1, 2, 4, 8, 12, 14, 1, 2, 4, 5, 10, 15, 1, 2, 4, 8, 16, 1, 2, 4, 8, 16, 17, 1, 2, 4, 8, 16, 18, 1, 2, 4, 8, 16, 18, 19, 1, 2, 4, 8, 16, 20]

cp's OEIS Frontend

A265692 Irregular triangle read by rows: lexicographically last addition chain of minimal length for n.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	3
7	1
8	2
9	4
10	1
11	2
12	4
13	5
14	1
15	2
16	4
17	6
18	1
19	2
20	4
21	6
22	7
23	1
24	2
25	4
26	8
27	1
28	2
29	4
30	8
31	9
32	1
33	2
34	4
35	8
36	10
37	1
38	2
39	4
40	8
41	10
42	11
43	1
44	2
45	4
46	8
47	12
48	1
49	2
50	4
51	8
52	12
53	13
54	1
55	2
56	4
57	8
58	12
59	14
60	1
61	2
62	4
63	5
64	10
65	15
66	1
67	2
68	4
69	8
70	16
71	1
72	2
73	4
74	8
75	16
76	17
77	1
78	2
79	4
80	8
81	16
82	18
83	1
84	2
85	4
86	8
87	16
88	18
89	19
90	1
91	2
92	4
93	8
94	16
95	20

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	3
7	1
8	2
9	4
10	1
11	2
12	4
13	5
14	1
15	2
16	4
17	6
18	1
19	2
20	4
21	6
22	7
23	1
24	2
25	4
26	8
27	1
28	2
29	4
30	8
31	9
32	1
33	2
34	4
35	8
36	10
37	1
38	2
39	4
40	8
41	10
42	11
43	1
44	2
45	4
46	8
47	12
48	1
49	2
50	4
51	8
52	12
53	13
54	1
55	2
56	4
57	8
58	12
59	14
60	1
61	2
62	4
63	5
64	10
65	15
66	1
67	2
68	4
69	8
70	16
71	1
72	2
73	4
74	8
75	16
76	17
77	1
78	2
79	4
80	8
81	16
82	18
83	1
84	2
85	4
86	8
87	16
88	18
89	19
90	1
91	2
92	4
93	8
94	16
95	20

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	3
7	1
8	2
9	4
10	1
11	2
12	4
13	5
14	1
15	2
16	4
17	6
18	1
19	2
20	4
21	6
22	7
23	1
24	2
25	4
26	8
27	1
28	2
29	4
30	8
31	9
32	1
33	2
34	4
35	8
36	10
37	1
38	2
39	4
40	8
41	10
42	11
43	1
44	2
45	4
46	8
47	12
48	1
49	2
50	4
51	8
52	12
53	13
54	1
55	2
56	4
57	8
58	12
59	14
60	1
61	2
62	4
63	5
64	10
65	15
66	1
67	2
68	4
69	8
70	16
71	1
72	2
73	4
74	8
75	16
76	17
77	1
78	2
79	4
80	8
81	16
82	18
83	1
84	2
85	4
86	8
87	16
88	18
89	19
90	1
91	2
92	4
93	8
94	16
95	20