A219218 - cp's OEIS frontend

A219218 G.f. satisfies: A(x) = Sum_{n>=0} [A(x)^(2n) (mod 3)]x^n, where A(x)^(2*n) (mod 3) reduces all coefficients modulo 3 to {0,1,2}.

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

[1, 1, 3, 3, 1, 6, 9, 3, 3, 9, 3, 6, 3, 1, 15, 18, 6, 6, 27, 9, 12, 9, 3, 9, 9, 3, 3, 27, 9, 18, 9, 3, 18, 18, 6, 6, 9, 3, 6, 3, 1, 42, 45, 15, 15, 54, 18, 24, 18, 6, 18, 18, 6, 6, 81, 27, 36, 27, 9, 36, 36, 12, 12, 27, 9, 12, 9, 3, 27, 27, 9, 9, 27, 9, 12, 9, 3, 9, 9, 3, 3, 81, 27, 54]

cp's OEIS Frontend

A219218 G.f. satisfies: A(x) = Sum_{n>=0} [A(x)^(2n) (mod 3)]x^n, where A(x)^(2*n) (mod 3) reduces all coefficients modulo 3 to {0,1,2}.

Table of values

List of values

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

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

cp's OEIS Frontend

A219218 G.f. satisfies: A(x) = Sum_{n>=0} [A(x)^(2*n) (mod 3)]*x^n, where A(x)^(2*n) (mod 3) reduces all coefficients modulo 3 to {0,1,2}.

Table of values

List of values

A219218 G.f. satisfies: A(x) = Sum_{n>=0} [A(x)^(2n) (mod 3)]x^n, where A(x)^(2*n) (mod 3) reduces all coefficients modulo 3 to {0,1,2}.

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