A376627 - cp's OEIS frontend

A376627 G.f.: Sum_{k>=0} x^(k(k+1)/2) Product_{j=1..k} (1 + x^(2*j))^2.

n	a(n)
0	1
1	1
2	0
3	3
4	0
5	3
6	1
7	3
8	2
9	4
10	4
11	3
12	8
13	2
14	10
15	2
16	14
17	2
18	19
19	3
20	20
21	7
22	23
23	11
24	26
25	17
26	25
27	26
28	27
29	35
30	29
31	48
32	27
33	64
34	28
35	81
36	30
37	98
38	32
39	119
40	37
41	139
42	47
43	159
44	59
45	183
46	77
47	199
48	105
49	217
50	137
51	237
52	180
53	251
54	232
55	266
56	292
57	281
58	364
59	293
60	447
61	309
62	540
63	331
64	645
65	350

[1, 1, 0, 3, 0, 3, 1, 3, 2, 4, 4, 3, 8, 2, 10, 2, 14, 2, 19, 3, 20, 7, 23, 11, 26, 17, 25, 26, 27, 35, 29, 48, 27, 64, 28, 81, 30, 98, 32, 119, 37, 139, 47, 159, 59, 183, 77, 199, 105, 217, 137, 237, 180, 251, 232, 266, 292, 281, 364, 293, 447, 309, 540, 331, 645, 350]

cp's OEIS Frontend

A376627 G.f.: Sum_{k>=0} x^(k(k+1)/2) Product_{j=1..k} (1 + x^(2*j))^2.

Table of values

List of values

n	a(n)
0	1
1	1
2	0
3	3
4	0
5	3
6	1
7	3
8	2
9	4
10	4
11	3
12	8
13	2
14	10
15	2
16	14
17	2
18	19
19	3
20	20
21	7
22	23
23	11
24	26
25	17
26	25
27	26
28	27
29	35
30	29
31	48
32	27
33	64
34	28
35	81
36	30
37	98
38	32
39	119
40	37
41	139
42	47
43	159
44	59
45	183
46	77
47	199
48	105
49	217
50	137
51	237
52	180
53	251
54	232
55	266
56	292
57	281
58	364
59	293
60	447
61	309
62	540
63	331
64	645
65	350

n	a(n)
0	1
1	1
2	0
3	3
4	0
5	3
6	1
7	3
8	2
9	4
10	4
11	3
12	8
13	2
14	10
15	2
16	14
17	2
18	19
19	3
20	20
21	7
22	23
23	11
24	26
25	17
26	25
27	26
28	27
29	35
30	29
31	48
32	27
33	64
34	28
35	81
36	30
37	98
38	32
39	119
40	37
41	139
42	47
43	159
44	59
45	183
46	77
47	199
48	105
49	217
50	137
51	237
52	180
53	251
54	232
55	266
56	292
57	281
58	364
59	293
60	447
61	309
62	540
63	331
64	645
65	350

cp's OEIS Frontend

A376627 G.f.: Sum_{k>=0} x^(k*(k+1)/2) * Product_{j=1..k} (1 + x^(2*j))^2.

Table of values

List of values

A376627 G.f.: Sum_{k>=0} x^(k(k+1)/2) Product_{j=1..k} (1 + x^(2*j))^2.

n	a(n)
0	1
1	1
2	0
3	3
4	0
5	3
6	1
7	3
8	2
9	4
10	4
11	3
12	8
13	2
14	10
15	2
16	14
17	2
18	19
19	3
20	20
21	7
22	23
23	11
24	26
25	17
26	25
27	26
28	27
29	35
30	29
31	48
32	27
33	64
34	28
35	81
36	30
37	98
38	32
39	119
40	37
41	139
42	47
43	159
44	59
45	183
46	77
47	199
48	105
49	217
50	137
51	237
52	180
53	251
54	232
55	266
56	292
57	281
58	364
59	293
60	447
61	309
62	540
63	331
64	645
65	350