A136107 - cp's OEIS frontend

A136107 Number of representations of n as the difference of two positive triangular numbers.

n	a(n)
1	0
2	1
3	1
4	1
5	2
6	1
7	2
8	1
9	3
10	1
11	2
12	2
13	2
14	2
15	3
16	1
17	2
18	3
19	2
20	2
21	3
22	2
23	2
24	2
25	3
26	2
27	4
28	1
29	2
30	4
31	2
32	1
33	4
34	2
35	4
36	2
37	2
38	2
39	4
40	2
41	2
42	4
43	2
44	2
45	5
46	2
47	2
48	2
49	3
50	3
51	4
52	2
53	2
54	4
55	3
56	2
57	4
58	2
59	2
60	4
61	2
62	2
63	6
64	1
65	4
66	3
67	2
68	2
69	4
70	4
71	2
72	3
73	2
74	2
75	6
76	2
77	4
78	3
79	2
80	2
81	5
82	2
83	2
84	4
85	4
86	2
87	4
88	2
89	2
90	6
91	3
92	2
93	4
94	2
95	4
96	2
97	2
98	3
99	6
100	3
101	2
102	4
103	2
104	2
105	7

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

cp's OEIS Frontend

A136107 Number of representations of n as the difference of two positive triangular numbers.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	1
5	2
6	1
7	2
8	1
9	3
10	1
11	2
12	2
13	2
14	2
15	3
16	1
17	2
18	3
19	2
20	2
21	3
22	2
23	2
24	2
25	3
26	2
27	4
28	1
29	2
30	4
31	2
32	1
33	4
34	2
35	4
36	2
37	2
38	2
39	4
40	2
41	2
42	4
43	2
44	2
45	5
46	2
47	2
48	2
49	3
50	3
51	4
52	2
53	2
54	4
55	3
56	2
57	4
58	2
59	2
60	4
61	2
62	2
63	6
64	1
65	4
66	3
67	2
68	2
69	4
70	4
71	2
72	3
73	2
74	2
75	6
76	2
77	4
78	3
79	2
80	2
81	5
82	2
83	2
84	4
85	4
86	2
87	4
88	2
89	2
90	6
91	3
92	2
93	4
94	2
95	4
96	2
97	2
98	3
99	6
100	3
101	2
102	4
103	2
104	2
105	7

n	a(n)
1	0
2	1
3	1
4	1
5	2
6	1
7	2
8	1
9	3
10	1
11	2
12	2
13	2
14	2
15	3
16	1
17	2
18	3
19	2
20	2
21	3
22	2
23	2
24	2
25	3
26	2
27	4
28	1
29	2
30	4
31	2
32	1
33	4
34	2
35	4
36	2
37	2
38	2
39	4
40	2
41	2
42	4
43	2
44	2
45	5
46	2
47	2
48	2
49	3
50	3
51	4
52	2
53	2
54	4
55	3
56	2
57	4
58	2
59	2
60	4
61	2
62	2
63	6
64	1
65	4
66	3
67	2
68	2
69	4
70	4
71	2
72	3
73	2
74	2
75	6
76	2
77	4
78	3
79	2
80	2
81	5
82	2
83	2
84	4
85	4
86	2
87	4
88	2
89	2
90	6
91	3
92	2
93	4
94	2
95	4
96	2
97	2
98	3
99	6
100	3
101	2
102	4
103	2
104	2
105	7

n	a(n)
1	0
2	1
3	1
4	1
5	2
6	1
7	2
8	1
9	3
10	1
11	2
12	2
13	2
14	2
15	3
16	1
17	2
18	3
19	2
20	2
21	3
22	2
23	2
24	2
25	3
26	2
27	4
28	1
29	2
30	4
31	2
32	1
33	4
34	2
35	4
36	2
37	2
38	2
39	4
40	2
41	2
42	4
43	2
44	2
45	5
46	2
47	2
48	2
49	3
50	3
51	4
52	2
53	2
54	4
55	3
56	2
57	4
58	2
59	2
60	4
61	2
62	2
63	6
64	1
65	4
66	3
67	2
68	2
69	4
70	4
71	2
72	3
73	2
74	2
75	6
76	2
77	4
78	3
79	2
80	2
81	5
82	2
83	2
84	4
85	4
86	2
87	4
88	2
89	2
90	6
91	3
92	2
93	4
94	2
95	4
96	2
97	2
98	3
99	6
100	3
101	2
102	4
103	2
104	2
105	7