A378117 - cp's OEIS frontend

A378117 Lexicographically earliest sequence of nonnegative integers a(0), a(1), ..., such that a(n) is the number of pairs of adjacent terms whose sum is n.

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

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

cp's OEIS Frontend

A378117 Lexicographically earliest sequence of nonnegative integers a(0), a(1), ..., such that a(n) is the number of pairs of adjacent terms whose sum is n.

Table of values

List of values

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

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

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