A030619 - cp's OEIS frontend

A030619 a(n) = (# 2's)-(# 3's) in first n terms of A030604.

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

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

cp's OEIS Frontend

A030619 a(n) = (# 2's)-(# 3's) in first n terms of A030604.

Table of values

List of values

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

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

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