A031268 - cp's OEIS frontend

A031268 a(n)=(# 3's)-(# 4's) in first n terms of A031253.

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

[0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 2, 2, 3, 3, 4, 3, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 3, 4, 4, 3, 3, 3, 2, 2, 2, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 2, 2, 2, 3, 3, 3, 4]

cp's OEIS Frontend

A031268 a(n)=(# 3's)-(# 4's) in first n terms of A031253.

Table of values

List of values

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

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

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