A383330 - cp's OEIS frontend

A383330 Triangle read by rows: T(n,k) is the length of a shortest vectorial addition chain for (n,k), 0 <= k <= n.

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	2
6	2
7	3
8	3
9	3
10	2
11	3
12	3
13	4
14	3
15	3
16	4
17	4
18	4
19	4
20	4
21	3
22	4
23	4
24	4
25	4
26	5
27	4
28	4
29	5
30	5
31	5
32	5
33	5
34	5
35	5
36	3
37	4
38	4
39	5
40	4
41	5
42	5
43	6
44	4
45	4
46	5
47	5
48	5
49	5
50	5
51	5
52	6
53	5
54	5
55	4
56	5
57	5
58	5
59	5
60	5
61	5
62	6
63	5
64	6
65	5
66	5
67	6
68	6
69	6
70	6
71	6
72	6
73	6
74	6
75	6
76	6
77	6
78	4
79	5
80	5
81	5
82	5
83	6
84	5
85	6
86	5
87	6
88	6
89	7
90	5

[0, 0, 1, 1, 2, 2, 2, 3, 3, 3, 2, 3, 3, 4, 3, 3, 4, 4, 4, 4, 4, 3, 4, 4, 4, 4, 5, 4, 4, 5, 5, 5, 5, 5, 5, 5, 3, 4, 4, 5, 4, 5, 5, 6, 4, 4, 5, 5, 5, 5, 5, 5, 6, 5, 5, 4, 5, 5, 5, 5, 5, 5, 6, 5, 6, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 5, 5, 5, 5, 6, 5, 6, 5, 6, 6, 7, 5]

cp's OEIS Frontend

A383330 Triangle read by rows: T(n,k) is the length of a shortest vectorial addition chain for (n,k), 0 <= k <= n.

Table of values

List of values

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	2
6	2
7	3
8	3
9	3
10	2
11	3
12	3
13	4
14	3
15	3
16	4
17	4
18	4
19	4
20	4
21	3
22	4
23	4
24	4
25	4
26	5
27	4
28	4
29	5
30	5
31	5
32	5
33	5
34	5
35	5
36	3
37	4
38	4
39	5
40	4
41	5
42	5
43	6
44	4
45	4
46	5
47	5
48	5
49	5
50	5
51	5
52	6
53	5
54	5
55	4
56	5
57	5
58	5
59	5
60	5
61	5
62	6
63	5
64	6
65	5
66	5
67	6
68	6
69	6
70	6
71	6
72	6
73	6
74	6
75	6
76	6
77	6
78	4
79	5
80	5
81	5
82	5
83	6
84	5
85	6
86	5
87	6
88	6
89	7
90	5

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	2
6	2
7	3
8	3
9	3
10	2
11	3
12	3
13	4
14	3
15	3
16	4
17	4
18	4
19	4
20	4
21	3
22	4
23	4
24	4
25	4
26	5
27	4
28	4
29	5
30	5
31	5
32	5
33	5
34	5
35	5
36	3
37	4
38	4
39	5
40	4
41	5
42	5
43	6
44	4
45	4
46	5
47	5
48	5
49	5
50	5
51	5
52	6
53	5
54	5
55	4
56	5
57	5
58	5
59	5
60	5
61	5
62	6
63	5
64	6
65	5
66	5
67	6
68	6
69	6
70	6
71	6
72	6
73	6
74	6
75	6
76	6
77	6
78	4
79	5
80	5
81	5
82	5
83	6
84	5
85	6
86	5
87	6
88	6
89	7
90	5

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	2
6	2
7	3
8	3
9	3
10	2
11	3
12	3
13	4
14	3
15	3
16	4
17	4
18	4
19	4
20	4
21	3
22	4
23	4
24	4
25	4
26	5
27	4
28	4
29	5
30	5
31	5
32	5
33	5
34	5
35	5
36	3
37	4
38	4
39	5
40	4
41	5
42	5
43	6
44	4
45	4
46	5
47	5
48	5
49	5
50	5
51	5
52	6
53	5
54	5
55	4
56	5
57	5
58	5
59	5
60	5
61	5
62	6
63	5
64	6
65	5
66	5
67	6
68	6
69	6
70	6
71	6
72	6
73	6
74	6
75	6
76	6
77	6
78	4
79	5
80	5
81	5
82	5
83	6
84	5
85	6
86	5
87	6
88	6
89	7
90	5