A082601 - cp's OEIS frontend

A082601 Tribonacci array: to get the next row, right-adjust the previous 3 rows and add them, then append a final 0.

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	2
8	1
9	0
10	1
11	3
12	3
13	0
14	0
15	1
16	4
17	6
18	2
19	0
20	0
21	1
22	5
23	10
24	7
25	1
26	0
27	0
28	1
29	6
30	15
31	16
32	6
33	0
34	0
35	0
36	1
37	7
38	21
39	30
40	19
41	3
42	0
43	0
44	0
45	1
46	8
47	28
48	50
49	45
50	16
51	1
52	0
53	0
54	0
55	1
56	9
57	36
58	77
59	90
60	51
61	10
62	0
63	0
64	0
65	0
66	1
67	10
68	45
69	112
70	161
71	126
72	45
73	4
74	0
75	0
76	0
77	0
78	1
79	11
80	55
81	156
82	266
83	266
84	141
85	30
86	1
87	0

[1, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 3, 3, 0, 0, 1, 4, 6, 2, 0, 0, 1, 5, 10, 7, 1, 0, 0, 1, 6, 15, 16, 6, 0, 0, 0, 1, 7, 21, 30, 19, 3, 0, 0, 0, 1, 8, 28, 50, 45, 16, 1, 0, 0, 0, 1, 9, 36, 77, 90, 51, 10, 0, 0, 0, 0, 1, 10, 45, 112, 161, 126, 45, 4, 0, 0, 0, 0, 1, 11, 55, 156, 266, 266, 141, 30, 1, 0]

cp's OEIS Frontend

A082601 Tribonacci array: to get the next row, right-adjust the previous 3 rows and add them, then append a final 0.

Table of values

List of values

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	2
8	1
9	0
10	1
11	3
12	3
13	0
14	0
15	1
16	4
17	6
18	2
19	0
20	0
21	1
22	5
23	10
24	7
25	1
26	0
27	0
28	1
29	6
30	15
31	16
32	6
33	0
34	0
35	0
36	1
37	7
38	21
39	30
40	19
41	3
42	0
43	0
44	0
45	1
46	8
47	28
48	50
49	45
50	16
51	1
52	0
53	0
54	0
55	1
56	9
57	36
58	77
59	90
60	51
61	10
62	0
63	0
64	0
65	0
66	1
67	10
68	45
69	112
70	161
71	126
72	45
73	4
74	0
75	0
76	0
77	0
78	1
79	11
80	55
81	156
82	266
83	266
84	141
85	30
86	1
87	0

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	2
8	1
9	0
10	1
11	3
12	3
13	0
14	0
15	1
16	4
17	6
18	2
19	0
20	0
21	1
22	5
23	10
24	7
25	1
26	0
27	0
28	1
29	6
30	15
31	16
32	6
33	0
34	0
35	0
36	1
37	7
38	21
39	30
40	19
41	3
42	0
43	0
44	0
45	1
46	8
47	28
48	50
49	45
50	16
51	1
52	0
53	0
54	0
55	1
56	9
57	36
58	77
59	90
60	51
61	10
62	0
63	0
64	0
65	0
66	1
67	10
68	45
69	112
70	161
71	126
72	45
73	4
74	0
75	0
76	0
77	0
78	1
79	11
80	55
81	156
82	266
83	266
84	141
85	30
86	1
87	0

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	2
8	1
9	0
10	1
11	3
12	3
13	0
14	0
15	1
16	4
17	6
18	2
19	0
20	0
21	1
22	5
23	10
24	7
25	1
26	0
27	0
28	1
29	6
30	15
31	16
32	6
33	0
34	0
35	0
36	1
37	7
38	21
39	30
40	19
41	3
42	0
43	0
44	0
45	1
46	8
47	28
48	50
49	45
50	16
51	1
52	0
53	0
54	0
55	1
56	9
57	36
58	77
59	90
60	51
61	10
62	0
63	0
64	0
65	0
66	1
67	10
68	45
69	112
70	161
71	126
72	45
73	4
74	0
75	0
76	0
77	0
78	1
79	11
80	55
81	156
82	266
83	266
84	141
85	30
86	1
87	0