A028309 - cp's OEIS frontend

A028309 Molien series for ring of symmetrized weight enumerators of self-dual codes (with respect to Euclidean inner product) of length n over GF(4).

n	a(n)
0	1
1	1
2	2
3	3
4	5
5	6
6	9
7	11
8	15
9	18
10	23
11	27
12	33
13	38
14	45
15	51
16	59
17	66
18	75
19	83
20	93
21	102
22	113
23	123
24	135
25	146
26	159
27	171
28	185
29	198
30	213
31	227
32	243
33	258
34	275
35	291
36	309
37	326
38	345
39	363
40	383
41	402
42	423
43	443
44	465
45	486
46	509
47	531
48	555
49	578
50	603
51	627
52	653
53	678
54	705
55	731
56	759
57	786

[1, 1, 2, 3, 5, 6, 9, 11, 15, 18, 23, 27, 33, 38, 45, 51, 59, 66, 75, 83, 93, 102, 113, 123, 135, 146, 159, 171, 185, 198, 213, 227, 243, 258, 275, 291, 309, 326, 345, 363, 383, 402, 423, 443, 465, 486, 509, 531, 555, 578, 603, 627, 653, 678, 705, 731, 759, 786]

cp's OEIS Frontend

A028309 Molien series for ring of symmetrized weight enumerators of self-dual codes (with respect to Euclidean inner product) of length n over GF(4).

Table of values

List of values

n	a(n)
0	1
1	1
2	2
3	3
4	5
5	6
6	9
7	11
8	15
9	18
10	23
11	27
12	33
13	38
14	45
15	51
16	59
17	66
18	75
19	83
20	93
21	102
22	113
23	123
24	135
25	146
26	159
27	171
28	185
29	198
30	213
31	227
32	243
33	258
34	275
35	291
36	309
37	326
38	345
39	363
40	383
41	402
42	423
43	443
44	465
45	486
46	509
47	531
48	555
49	578
50	603
51	627
52	653
53	678
54	705
55	731
56	759
57	786

n	a(n)
0	1
1	1
2	2
3	3
4	5
5	6
6	9
7	11
8	15
9	18
10	23
11	27
12	33
13	38
14	45
15	51
16	59
17	66
18	75
19	83
20	93
21	102
22	113
23	123
24	135
25	146
26	159
27	171
28	185
29	198
30	213
31	227
32	243
33	258
34	275
35	291
36	309
37	326
38	345
39	363
40	383
41	402
42	423
43	443
44	465
45	486
46	509
47	531
48	555
49	578
50	603
51	627
52	653
53	678
54	705
55	731
56	759
57	786

n	a(n)
0	1
1	1
2	2
3	3
4	5
5	6
6	9
7	11
8	15
9	18
10	23
11	27
12	33
13	38
14	45
15	51
16	59
17	66
18	75
19	83
20	93
21	102
22	113
23	123
24	135
25	146
26	159
27	171
28	185
29	198
30	213
31	227
32	243
33	258
34	275
35	291
36	309
37	326
38	345
39	363
40	383
41	402
42	423
43	443
44	465
45	486
46	509
47	531
48	555
49	578
50	603
51	627
52	653
53	678
54	705
55	731
56	759
57	786