A281687 - cp's OEIS frontend

A281687 Number of partitions of 2*n into the sum of two totient numbers (A002202).

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

[1, 1, 1, 2, 2, 3, 3, 3, 3, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 6, 7, 7, 9, 8, 9, 8, 9, 9, 11, 10, 12, 10, 11, 10, 12, 11, 13, 10, 11, 12, 13, 12, 15, 13, 12, 13, 13, 12, 15, 14, 14, 14, 16, 15, 19, 16, 16, 16, 17, 15, 19, 15, 18, 16, 19, 16, 20, 18, 19, 18, 20, 17, 22, 19, 21, 18, 21, 19, 22]

cp's OEIS Frontend

A281687 Number of partitions of 2*n into the sum of two totient numbers (A002202).

Table of values

List of values

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

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

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