A381489 - cp's OEIS frontend

A381489 Index of first half of decomposition of integers into pairs x(i)+y(j) based on A380008 and A380009, respectively.

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	2
6	3
7	3
8	0
9	0
10	1
11	1
12	2
13	2
14	3
15	3
16	4
17	4
18	5
19	5
20	6
21	6
22	7
23	7
24	4
25	4
26	5
27	5
28	6
29	6
30	7
31	7
32	0
33	0
34	1
35	1
36	2
37	2
38	3
39	3
40	0
41	0
42	1
43	1
44	2
45	2
46	3
47	3
48	4
49	4
50	5
51	5
52	6
53	6
54	7
55	7
56	4
57	4
58	5
59	5
60	6
61	6
62	7
63	7
64	0
65	0
66	1
67	1
68	2
69	2
70	3
71	3
72	0
73	0
74	1
75	1
76	2
77	2
78	3
79	3
80	4
81	4
82	5
83	5
84	6
85	6
86	7
87	7
88	4
89	4
90	5
91	5
92	6
93	6
94	7
95	7

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

cp's OEIS Frontend

A381489 Index of first half of decomposition of integers into pairs x(i)+y(j) based on A380008 and A380009, respectively.

Table of values

List of values

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	2
6	3
7	3
8	0
9	0
10	1
11	1
12	2
13	2
14	3
15	3
16	4
17	4
18	5
19	5
20	6
21	6
22	7
23	7
24	4
25	4
26	5
27	5
28	6
29	6
30	7
31	7
32	0
33	0
34	1
35	1
36	2
37	2
38	3
39	3
40	0
41	0
42	1
43	1
44	2
45	2
46	3
47	3
48	4
49	4
50	5
51	5
52	6
53	6
54	7
55	7
56	4
57	4
58	5
59	5
60	6
61	6
62	7
63	7
64	0
65	0
66	1
67	1
68	2
69	2
70	3
71	3
72	0
73	0
74	1
75	1
76	2
77	2
78	3
79	3
80	4
81	4
82	5
83	5
84	6
85	6
86	7
87	7
88	4
89	4
90	5
91	5
92	6
93	6
94	7
95	7

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	2
6	3
7	3
8	0
9	0
10	1
11	1
12	2
13	2
14	3
15	3
16	4
17	4
18	5
19	5
20	6
21	6
22	7
23	7
24	4
25	4
26	5
27	5
28	6
29	6
30	7
31	7
32	0
33	0
34	1
35	1
36	2
37	2
38	3
39	3
40	0
41	0
42	1
43	1
44	2
45	2
46	3
47	3
48	4
49	4
50	5
51	5
52	6
53	6
54	7
55	7
56	4
57	4
58	5
59	5
60	6
61	6
62	7
63	7
64	0
65	0
66	1
67	1
68	2
69	2
70	3
71	3
72	0
73	0
74	1
75	1
76	2
77	2
78	3
79	3
80	4
81	4
82	5
83	5
84	6
85	6
86	7
87	7
88	4
89	4
90	5
91	5
92	6
93	6
94	7
95	7

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	2
6	3
7	3
8	0
9	0
10	1
11	1
12	2
13	2
14	3
15	3
16	4
17	4
18	5
19	5
20	6
21	6
22	7
23	7
24	4
25	4
26	5
27	5
28	6
29	6
30	7
31	7
32	0
33	0
34	1
35	1
36	2
37	2
38	3
39	3
40	0
41	0
42	1
43	1
44	2
45	2
46	3
47	3
48	4
49	4
50	5
51	5
52	6
53	6
54	7
55	7
56	4
57	4
58	5
59	5
60	6
61	6
62	7
63	7
64	0
65	0
66	1
67	1
68	2
69	2
70	3
71	3
72	0
73	0
74	1
75	1
76	2
77	2
78	3
79	3
80	4
81	4
82	5
83	5
84	6
85	6
86	7
87	7
88	4
89	4
90	5
91	5
92	6
93	6
94	7
95	7