A381490 - cp's OEIS frontend

A381490 Index of second half of decomposition of integers into pairs x(i)+y(j) based on A380008 and A380009, respectively.

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

[0, 1, 0, 1, 0, 1, 0, 1, 2, 3, 2, 3, 2, 3, 2, 3, 0, 1, 0, 1, 0, 1, 0, 1, 2, 3, 2, 3, 2, 3, 2, 3, 4, 5, 4, 5, 4, 5, 4, 5, 6, 7, 6, 7, 6, 7, 6, 7, 4, 5, 4, 5, 4, 5, 4, 5, 6, 7, 6, 7, 6, 7, 6, 7, 8, 9, 8, 9, 8, 9, 8, 9, 10, 11, 10, 11, 10, 11, 10, 11, 8, 9, 8, 9, 8, 9, 8, 9]

cp's OEIS Frontend

A381490 Index of second 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	1
2	0
3	1
4	0
5	1
6	0
7	1
8	2
9	3
10	2
11	3
12	2
13	3
14	2
15	3
16	0
17	1
18	0
19	1
20	0
21	1
22	0
23	1
24	2
25	3
26	2
27	3
28	2
29	3
30	2
31	3
32	4
33	5
34	4
35	5
36	4
37	5
38	4
39	5
40	6
41	7
42	6
43	7
44	6
45	7
46	6
47	7
48	4
49	5
50	4
51	5
52	4
53	5
54	4
55	5
56	6
57	7
58	6
59	7
60	6
61	7
62	6
63	7
64	8
65	9
66	8
67	9
68	8
69	9
70	8
71	9
72	10
73	11
74	10
75	11
76	10
77	11
78	10
79	11
80	8
81	9
82	8
83	9
84	8
85	9
86	8
87	9

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

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