A375583 - cp's OEIS frontend

A375583 a(n) is the number of ways n can be written as a sum of a practical number and two 11-gonal numbers.

n	a(n)
1	1
2	2
3	2
4	2
5	1
6	2
7	1
8	2
9	1
10	1
11	0
12	2
13	3
14	2
15	1
16	2
17	2
18	3
19	2
20	3
21	1
22	1
23	2
24	3
25	1
26	2
27	1
28	3
29	2
30	4
31	3
32	5
33	2
34	3
35	2
36	3
37	2
38	3
39	2
40	3
41	2
42	6
43	4
44	2
45	1
46	2
47	3
48	3
49	3
50	3
51	2
52	2
53	2
54	4
55	2
56	2
57	2
58	3
59	4
60	5
61	5
62	5
63	2
64	4
65	4
66	6
67	4
68	3
69	1
70	4
71	5
72	4
73	4
74	2
75	3
76	4
77	4
78	6
79	3
80	3
81	3
82	3
83	3
84	4
85	3
86	4
87	3
88	4
89	6
90	7
91	4
92	4
93	1
94	4
95	4
96	6
97	6

[1, 2, 2, 2, 1, 2, 1, 2, 1, 1, 0, 2, 3, 2, 1, 2, 2, 3, 2, 3, 1, 1, 2, 3, 1, 2, 1, 3, 2, 4, 3, 5, 2, 3, 2, 3, 2, 3, 2, 3, 2, 6, 4, 2, 1, 2, 3, 3, 3, 3, 2, 2, 2, 4, 2, 2, 2, 3, 4, 5, 5, 5, 2, 4, 4, 6, 4, 3, 1, 4, 5, 4, 4, 2, 3, 4, 4, 6, 3, 3, 3, 3, 3, 4, 3, 4, 3, 4, 6, 7, 4, 4, 1, 4, 4, 6, 6]

cp's OEIS Frontend

A375583 a(n) is the number of ways n can be written as a sum of a practical number and two 11-gonal numbers.

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	2
5	1
6	2
7	1
8	2
9	1
10	1
11	0
12	2
13	3
14	2
15	1
16	2
17	2
18	3
19	2
20	3
21	1
22	1
23	2
24	3
25	1
26	2
27	1
28	3
29	2
30	4
31	3
32	5
33	2
34	3
35	2
36	3
37	2
38	3
39	2
40	3
41	2
42	6
43	4
44	2
45	1
46	2
47	3
48	3
49	3
50	3
51	2
52	2
53	2
54	4
55	2
56	2
57	2
58	3
59	4
60	5
61	5
62	5
63	2
64	4
65	4
66	6
67	4
68	3
69	1
70	4
71	5
72	4
73	4
74	2
75	3
76	4
77	4
78	6
79	3
80	3
81	3
82	3
83	3
84	4
85	3
86	4
87	3
88	4
89	6
90	7
91	4
92	4
93	1
94	4
95	4
96	6
97	6

n	a(n)
1	1
2	2
3	2
4	2
5	1
6	2
7	1
8	2
9	1
10	1
11	0
12	2
13	3
14	2
15	1
16	2
17	2
18	3
19	2
20	3
21	1
22	1
23	2
24	3
25	1
26	2
27	1
28	3
29	2
30	4
31	3
32	5
33	2
34	3
35	2
36	3
37	2
38	3
39	2
40	3
41	2
42	6
43	4
44	2
45	1
46	2
47	3
48	3
49	3
50	3
51	2
52	2
53	2
54	4
55	2
56	2
57	2
58	3
59	4
60	5
61	5
62	5
63	2
64	4
65	4
66	6
67	4
68	3
69	1
70	4
71	5
72	4
73	4
74	2
75	3
76	4
77	4
78	6
79	3
80	3
81	3
82	3
83	3
84	4
85	3
86	4
87	3
88	4
89	6
90	7
91	4
92	4
93	1
94	4
95	4
96	6
97	6

n	a(n)
1	1
2	2
3	2
4	2
5	1
6	2
7	1
8	2
9	1
10	1
11	0
12	2
13	3
14	2
15	1
16	2
17	2
18	3
19	2
20	3
21	1
22	1
23	2
24	3
25	1
26	2
27	1
28	3
29	2
30	4
31	3
32	5
33	2
34	3
35	2
36	3
37	2
38	3
39	2
40	3
41	2
42	6
43	4
44	2
45	1
46	2
47	3
48	3
49	3
50	3
51	2
52	2
53	2
54	4
55	2
56	2
57	2
58	3
59	4
60	5
61	5
62	5
63	2
64	4
65	4
66	6
67	4
68	3
69	1
70	4
71	5
72	4
73	4
74	2
75	3
76	4
77	4
78	6
79	3
80	3
81	3
82	3
83	3
84	4
85	3
86	4
87	3
88	4
89	6
90	7
91	4
92	4
93	1
94	4
95	4
96	6
97	6