A208244 - cp's OEIS frontend

A208244 Number of ways to write n as the sum of a practical number (A005153) and a triangular number (A000217).

n	a(n)
1	1
2	2
3	1
4	2
5	2
6	1
7	3
8	2
9	2
10	1
11	2
12	3
13	1
14	2
15	1
16	3
17	2
18	3
19	3
20	1
21	3
22	3
23	3
24	2
25	2
26	2
27	3
28	2
29	3
30	4
31	3
32	2
33	4
34	3
35	2
36	3
37	3
38	3
39	3
40	4
41	2
42	4
43	3
44	2
45	3
46	4
47	2
48	4
49	3
50	1
51	4
52	3
53	2
54	3
55	2
56	4
57	6
58	2
59	2
60	4
61	4
62	1
63	5
64	4
65	2
66	4
67	4
68	3
69	4
70	4
71	2
72	4
73	3
74	2
75	5
76	3
77	2
78	4
79	4
80	2
81	5
82	4
83	2
84	6
85	4
86	3
87	5
88	3
89	1
90	6
91	3
92	3
93	5
94	5
95	3
96	5
97	3
98	3
99	5
100	4

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

cp's OEIS Frontend

A208244 Number of ways to write n as the sum of a practical number (A005153) and a triangular number (A000217).

Table of values

List of values

n	a(n)
1	1
2	2
3	1
4	2
5	2
6	1
7	3
8	2
9	2
10	1
11	2
12	3
13	1
14	2
15	1
16	3
17	2
18	3
19	3
20	1
21	3
22	3
23	3
24	2
25	2
26	2
27	3
28	2
29	3
30	4
31	3
32	2
33	4
34	3
35	2
36	3
37	3
38	3
39	3
40	4
41	2
42	4
43	3
44	2
45	3
46	4
47	2
48	4
49	3
50	1
51	4
52	3
53	2
54	3
55	2
56	4
57	6
58	2
59	2
60	4
61	4
62	1
63	5
64	4
65	2
66	4
67	4
68	3
69	4
70	4
71	2
72	4
73	3
74	2
75	5
76	3
77	2
78	4
79	4
80	2
81	5
82	4
83	2
84	6
85	4
86	3
87	5
88	3
89	1
90	6
91	3
92	3
93	5
94	5
95	3
96	5
97	3
98	3
99	5
100	4

n	a(n)
1	1
2	2
3	1
4	2
5	2
6	1
7	3
8	2
9	2
10	1
11	2
12	3
13	1
14	2
15	1
16	3
17	2
18	3
19	3
20	1
21	3
22	3
23	3
24	2
25	2
26	2
27	3
28	2
29	3
30	4
31	3
32	2
33	4
34	3
35	2
36	3
37	3
38	3
39	3
40	4
41	2
42	4
43	3
44	2
45	3
46	4
47	2
48	4
49	3
50	1
51	4
52	3
53	2
54	3
55	2
56	4
57	6
58	2
59	2
60	4
61	4
62	1
63	5
64	4
65	2
66	4
67	4
68	3
69	4
70	4
71	2
72	4
73	3
74	2
75	5
76	3
77	2
78	4
79	4
80	2
81	5
82	4
83	2
84	6
85	4
86	3
87	5
88	3
89	1
90	6
91	3
92	3
93	5
94	5
95	3
96	5
97	3
98	3
99	5
100	4

n	a(n)
1	1
2	2
3	1
4	2
5	2
6	1
7	3
8	2
9	2
10	1
11	2
12	3
13	1
14	2
15	1
16	3
17	2
18	3
19	3
20	1
21	3
22	3
23	3
24	2
25	2
26	2
27	3
28	2
29	3
30	4
31	3
32	2
33	4
34	3
35	2
36	3
37	3
38	3
39	3
40	4
41	2
42	4
43	3
44	2
45	3
46	4
47	2
48	4
49	3
50	1
51	4
52	3
53	2
54	3
55	2
56	4
57	6
58	2
59	2
60	4
61	4
62	1
63	5
64	4
65	2
66	4
67	4
68	3
69	4
70	4
71	2
72	4
73	3
74	2
75	5
76	3
77	2
78	4
79	4
80	2
81	5
82	4
83	2
84	6
85	4
86	3
87	5
88	3
89	1
90	6
91	3
92	3
93	5
94	5
95	3
96	5
97	3
98	3
99	5
100	4