A056559 - cp's OEIS frontend

A056559 Tetrahedron with T(t,n,k) = t - n; succession of growing finite triangles with declining values per row.

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

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

cp's OEIS Frontend

A056559 Tetrahedron with T(t,n,k) = t - n; succession of growing finite triangles with declining values per row.

Table of values

List of values

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

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

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