A333868 - cp's OEIS frontend

A333868 The number of ways to write n as the difference of two k-simplex numbers for k >= 2.

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

[1, 3, 3, 4, 5, 4, 3, 6, 7, 4, 4, 4, 5, 9, 4, 4, 5, 5, 7, 9, 4, 4, 4, 6, 4, 7, 7, 4, 7, 5, 3, 6, 6, 11, 9, 4, 4, 6, 4, 4, 6, 4, 5, 11, 5, 4, 4, 6, 6, 6, 5, 4, 7, 12, 8, 6, 4, 4, 6, 4, 4, 8, 5, 8, 9, 4, 4, 7, 8, 4, 5, 4, 5, 8, 4, 8, 9, 4, 5, 8, 4, 6, 10, 7, 4, 6]

cp's OEIS Frontend

A333868 The number of ways to write n as the difference of two k-simplex numbers for k >= 2.

Table of values

List of values

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

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

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