A373686 - cp's OEIS frontend

A373686 a(n) is the number of ways n can be written as a sum of a practical number and two squares.

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

[1, 2, 2, 2, 2, 4, 2, 3, 3, 4, 3, 4, 3, 4, 2, 4, 5, 5, 4, 6, 6, 6, 2, 6, 5, 7, 4, 7, 7, 6, 5, 7, 9, 7, 4, 8, 9, 10, 2, 9, 10, 9, 6, 9, 9, 8, 5, 8, 10, 9, 5, 10, 11, 9, 7, 12, 11, 11, 6, 9, 11, 10, 3, 11, 14, 13, 9, 12, 13, 11, 7, 10, 15, 14, 4, 13, 13, 8, 8, 15]

cp's OEIS Frontend

A373686 a(n) is the number of ways n can be written as a sum of a practical number and two squares.

Table of values

List of values

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

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

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