A309416 - cp's OEIS frontend

A309416 a(n) = Sum_{k > 0} d^k(n), where d^k corresponds to the k-th iterate of A296239.

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

[0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 2, 2, 1, 0, 1, 2, 3, 5, 3, 2, 1, 0, 1, 2, 3, 5, 5, 7, 7, 5, 5, 3, 2, 1, 0, 1, 2, 3, 5, 5, 7, 8, 8, 10, 12, 12, 10, 8, 8, 7, 5, 5, 3, 2, 1, 0, 1, 2, 3, 5, 5, 7, 8, 8, 10, 12, 13, 13, 13, 15, 17, 19, 22, 19, 17, 15, 13, 13, 13, 12]

cp's OEIS Frontend

A309416 a(n) = Sum_{k > 0} d^k(n), where d^k corresponds to the k-th iterate of A296239.

Table of values

List of values

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

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

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