A133883 - cp's OEIS frontend

A133883 a(n) = binomial(n+3,n) mod 3^2.

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

[1, 4, 1, 2, 8, 2, 3, 3, 3, 4, 7, 4, 5, 2, 5, 6, 6, 6, 7, 1, 7, 8, 5, 8, 0, 0, 0, 1, 4, 1, 2, 8, 2, 3, 3, 3, 4, 7, 4, 5, 2, 5, 6, 6, 6, 7, 1, 7, 8, 5, 8, 0, 0, 0, 1, 4, 1, 2, 8, 2, 3, 3, 3, 4, 7, 4, 5, 2, 5, 6, 6, 6, 7, 1, 7, 8, 5, 8, 0, 0, 0, 1, 4, 1, 2, 8, 2, 3, 3, 3, 4, 7, 4, 5, 2, 5, 6, 6, 6, 7, 1, 7, 8, 5, 8]

cp's OEIS Frontend

A133883 a(n) = binomial(n+3,n) mod 3^2.

Table of values

List of values

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

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

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