A345141 - cp's OEIS frontend

A345141 a(1) = 1, a(2) = 0; a(n+2) = Sum_{d|n} a(d).

n	a(n)
1	1
2	0
3	1
4	1
5	2
6	2
7	3
8	4
9	4
10	6
11	6
12	9
13	7
14	14
15	8
16	18
17	12
18	24
19	13
20	32
21	14
22	42
23	19
24	49
25	20
26	67
27	23
28	75
29	29
30	94
31	30
32	114
33	31
34	138
35	39
36	151
37	45
38	193
39	46
40	207
41	55
42	253
43	56
44	288
45	57
46	338
47	73
48	358
49	74
50	443
51	78
52	472
53	92
54	548
55	93
56	603
57	102
58	701
59	117
60	731
61	118
62	887
63	119
64	918
65	142
66	1056
67	152
68	1139
69	153
70	1291

[1, 0, 1, 1, 2, 2, 3, 4, 4, 6, 6, 9, 7, 14, 8, 18, 12, 24, 13, 32, 14, 42, 19, 49, 20, 67, 23, 75, 29, 94, 30, 114, 31, 138, 39, 151, 45, 193, 46, 207, 55, 253, 56, 288, 57, 338, 73, 358, 74, 443, 78, 472, 92, 548, 93, 603, 102, 701, 117, 731, 118, 887, 119, 918, 142, 1056, 152, 1139, 153, 1291]

cp's OEIS Frontend

A345141 a(1) = 1, a(2) = 0; a(n+2) = Sum_{d|n} a(d).

Table of values

List of values