A328591 - cp's OEIS frontend

A328591 Even bisection of A328590: a(n) = A328578(2n) - A257993(2n).

n	a(n)
1	1
2	2
3	0
4	2
5	3
6	-1
7	3
8	2
9	0
10	4
11	4
12	-1
13	4
14	5
15	-2
16	2
17	1
18	0
19	3
20	4
21	-1
22	4
23	4
24	0
25	5
26	5
27	-1
28	5
29	3
30	-2
31	3
32	2
33	0
34	4
35	4
36	-1
37	5
38	5
39	0
40	5
41	6
42	-1
43	4
44	6
45	-2
46	4
47	5
48	0
49	5
50	5
51	-1
52	5
53	6
54	0
55	6
56	3
57	-1
58	7
59	7
60	-2
61	1
62	5
63	0
64	6
65	6
66	-1
67	6
68	5
69	0
70	7
71	7
72	-1
73	7
74	8
75	-2
76	2
77	1
78	0
79	6
80	7
81	-1
82	7
83	3
84	0
85	7
86	5
87	-1
88	3
89	8
90	-2
91	6
92	2
93	0
94	7
95	7
96	-1
97	7
98	8
99	0
100	8
101	8
102	-1
103	8
104	9
105	-1

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

cp's OEIS Frontend

A328591 Even bisection of A328590: a(n) = A328578(2n) - A257993(2n).

Table of values

List of values

n	a(n)
1	1
2	2
3	0
4	2
5	3
6	-1
7	3
8	2
9	0
10	4
11	4
12	-1
13	4
14	5
15	-2
16	2
17	1
18	0
19	3
20	4
21	-1
22	4
23	4
24	0
25	5
26	5
27	-1
28	5
29	3
30	-2
31	3
32	2
33	0
34	4
35	4
36	-1
37	5
38	5
39	0
40	5
41	6
42	-1
43	4
44	6
45	-2
46	4
47	5
48	0
49	5
50	5
51	-1
52	5
53	6
54	0
55	6
56	3
57	-1
58	7
59	7
60	-2
61	1
62	5
63	0
64	6
65	6
66	-1
67	6
68	5
69	0
70	7
71	7
72	-1
73	7
74	8
75	-2
76	2
77	1
78	0
79	6
80	7
81	-1
82	7
83	3
84	0
85	7
86	5
87	-1
88	3
89	8
90	-2
91	6
92	2
93	0
94	7
95	7
96	-1
97	7
98	8
99	0
100	8
101	8
102	-1
103	8
104	9
105	-1

n	a(n)
1	1
2	2
3	0
4	2
5	3
6	-1
7	3
8	2
9	0
10	4
11	4
12	-1
13	4
14	5
15	-2
16	2
17	1
18	0
19	3
20	4
21	-1
22	4
23	4
24	0
25	5
26	5
27	-1
28	5
29	3
30	-2
31	3
32	2
33	0
34	4
35	4
36	-1
37	5
38	5
39	0
40	5
41	6
42	-1
43	4
44	6
45	-2
46	4
47	5
48	0
49	5
50	5
51	-1
52	5
53	6
54	0
55	6
56	3
57	-1
58	7
59	7
60	-2
61	1
62	5
63	0
64	6
65	6
66	-1
67	6
68	5
69	0
70	7
71	7
72	-1
73	7
74	8
75	-2
76	2
77	1
78	0
79	6
80	7
81	-1
82	7
83	3
84	0
85	7
86	5
87	-1
88	3
89	8
90	-2
91	6
92	2
93	0
94	7
95	7
96	-1
97	7
98	8
99	0
100	8
101	8
102	-1
103	8
104	9
105	-1

n	a(n)
1	1
2	2
3	0
4	2
5	3
6	-1
7	3
8	2
9	0
10	4
11	4
12	-1
13	4
14	5
15	-2
16	2
17	1
18	0
19	3
20	4
21	-1
22	4
23	4
24	0
25	5
26	5
27	-1
28	5
29	3
30	-2
31	3
32	2
33	0
34	4
35	4
36	-1
37	5
38	5
39	0
40	5
41	6
42	-1
43	4
44	6
45	-2
46	4
47	5
48	0
49	5
50	5
51	-1
52	5
53	6
54	0
55	6
56	3
57	-1
58	7
59	7
60	-2
61	1
62	5
63	0
64	6
65	6
66	-1
67	6
68	5
69	0
70	7
71	7
72	-1
73	7
74	8
75	-2
76	2
77	1
78	0
79	6
80	7
81	-1
82	7
83	3
84	0
85	7
86	5
87	-1
88	3
89	8
90	-2
91	6
92	2
93	0
94	7
95	7
96	-1
97	7
98	8
99	0
100	8
101	8
102	-1
103	8
104	9
105	-1