A335130 - cp's OEIS frontend

A335130 a(n) = 1 + Sum_{k=1..n} sign((sign(n+Sum_{j=2..k}-|A334312(n,j)|)+1)).

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

[2, 3, 4, 5, 6, 5, 7, 7, 10, 7, 11, 10, 11, 10, 11, 11, 14, 13, 14, 13, 13, 11, 15, 12, 17, 13, 17, 13, 19, 13, 14, 15, 15, 15, 17, 17, 17, 19, 19, 17, 19, 17, 18, 17, 17, 18, 21, 19, 22, 21, 21, 19, 21, 21, 23, 23, 19, 19, 26, 19, 19, 23, 23, 23, 29, 21, 22, 21, 23, 21, 23, 22, 23, 23, 28, 23, 31, 23, 26, 25]

cp's OEIS Frontend

A335130 a(n) = 1 + Sum_{k=1..n} sign((sign(n+Sum_{j=2..k}-|A334312(n,j)|)+1)).

Table of values

List of values

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

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

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