A132399 - cp's OEIS frontend

A132399 Number of ordered ways of writing n = i + j, where i is 0 or a prime and j is a triangular number (A000217) >= 0.

n	a(n)
0	1
1	1
2	1
3	3
4	1
5	2
6	3
7	1
8	3
9	1
10	2
11	2
12	2
13	3
14	2
15	2
16	1
17	4
18	2
19	2
20	3
21	2
22	2
23	4
24	2
25	1
26	3
27	1
28	3
29	3
30	2
31	2
32	4
33	2
34	3
35	2
36	1
37	2
38	4
39	3
40	2
41	4
42	1
43	3
44	4
45	2
46	2
47	6
48	2
49	2
50	3
51	2
52	3
53	4
54	1
55	2
56	3
57	3
58	4
59	4
60	2
61	1
62	6
63	1
64	3
65	3
66	2
67	3
68	6
69	3
70	1
71	4
72	2
73	4
74	6
75	1
76	3
77	4
78	2
79	4
80	3
81	3
82	4
83	5
84	2
85	3
86	4
87	1
88	3
89	7
90	1
91	2
92	4
93	2
94	3
95	5
96	2
97	4
98	5
99	2
100	2
101	3
102	3
103	4
104	6

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

cp's OEIS Frontend

A132399 Number of ordered ways of writing n = i + j, where i is 0 or a prime and j is a triangular number (A000217) >= 0.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	3
4	1
5	2
6	3
7	1
8	3
9	1
10	2
11	2
12	2
13	3
14	2
15	2
16	1
17	4
18	2
19	2
20	3
21	2
22	2
23	4
24	2
25	1
26	3
27	1
28	3
29	3
30	2
31	2
32	4
33	2
34	3
35	2
36	1
37	2
38	4
39	3
40	2
41	4
42	1
43	3
44	4
45	2
46	2
47	6
48	2
49	2
50	3
51	2
52	3
53	4
54	1
55	2
56	3
57	3
58	4
59	4
60	2
61	1
62	6
63	1
64	3
65	3
66	2
67	3
68	6
69	3
70	1
71	4
72	2
73	4
74	6
75	1
76	3
77	4
78	2
79	4
80	3
81	3
82	4
83	5
84	2
85	3
86	4
87	1
88	3
89	7
90	1
91	2
92	4
93	2
94	3
95	5
96	2
97	4
98	5
99	2
100	2
101	3
102	3
103	4
104	6

n	a(n)
0	1
1	1
2	1
3	3
4	1
5	2
6	3
7	1
8	3
9	1
10	2
11	2
12	2
13	3
14	2
15	2
16	1
17	4
18	2
19	2
20	3
21	2
22	2
23	4
24	2
25	1
26	3
27	1
28	3
29	3
30	2
31	2
32	4
33	2
34	3
35	2
36	1
37	2
38	4
39	3
40	2
41	4
42	1
43	3
44	4
45	2
46	2
47	6
48	2
49	2
50	3
51	2
52	3
53	4
54	1
55	2
56	3
57	3
58	4
59	4
60	2
61	1
62	6
63	1
64	3
65	3
66	2
67	3
68	6
69	3
70	1
71	4
72	2
73	4
74	6
75	1
76	3
77	4
78	2
79	4
80	3
81	3
82	4
83	5
84	2
85	3
86	4
87	1
88	3
89	7
90	1
91	2
92	4
93	2
94	3
95	5
96	2
97	4
98	5
99	2
100	2
101	3
102	3
103	4
104	6

n	a(n)
0	1
1	1
2	1
3	3
4	1
5	2
6	3
7	1
8	3
9	1
10	2
11	2
12	2
13	3
14	2
15	2
16	1
17	4
18	2
19	2
20	3
21	2
22	2
23	4
24	2
25	1
26	3
27	1
28	3
29	3
30	2
31	2
32	4
33	2
34	3
35	2
36	1
37	2
38	4
39	3
40	2
41	4
42	1
43	3
44	4
45	2
46	2
47	6
48	2
49	2
50	3
51	2
52	3
53	4
54	1
55	2
56	3
57	3
58	4
59	4
60	2
61	1
62	6
63	1
64	3
65	3
66	2
67	3
68	6
69	3
70	1
71	4
72	2
73	4
74	6
75	1
76	3
77	4
78	2
79	4
80	3
81	3
82	4
83	5
84	2
85	3
86	4
87	1
88	3
89	7
90	1
91	2
92	4
93	2
94	3
95	5
96	2
97	4
98	5
99	2
100	2
101	3
102	3
103	4
104	6