A031248 - cp's OEIS frontend

A031248 a(n)=(# 1's)-(# 2's) in first n terms of A031235.

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

[1, 0, 0, 0, 0, 1, 2, 3, 2, 3, 3, 4, 4, 5, 5, 4, 5, 4, 3, 2, 2, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 3, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 6, 7, 8, 9, 10, 9, 10, 11, 11, 12, 13, 13, 14, 15, 15, 14, 15, 16, 15, 16, 15, 14]

cp's OEIS Frontend

A031248 a(n)=(# 1's)-(# 2's) in first n terms of A031235.

Table of values

List of values

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

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

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