A255486 - cp's OEIS frontend

A255486 Number of odd terms in expansion of (1+x+x^3+x^4)^n.

n	a(n)
0	1
1	4
2	4
3	10
4	4
5	12
6	10
7	18
8	4
9	16
10	12
11	28
12	10
13	28
14	18
15	38
16	4
17	16
18	16
19	40
20	12
21	40
22	28
23	52
24	10
25	40
26	28
27	64
28	18
29	52
30	38
31	74
32	4
33	16
34	16
35	40
36	16
37	48
38	40
39	72
40	12
41	48
42	40
43	96
44	28
45	88
46	52
47	108
48	10
49	40
50	40
51	100
52	28
53	96
54	64
55	120
56	18
57	72
58	52
59	120
60	38

[1, 4, 4, 10, 4, 12, 10, 18, 4, 16, 12, 28, 10, 28, 18, 38, 4, 16, 16, 40, 12, 40, 28, 52, 10, 40, 28, 64, 18, 52, 38, 74, 4, 16, 16, 40, 16, 48, 40, 72, 12, 48, 40, 96, 28, 88, 52, 108, 10, 40, 40, 100, 28, 96, 64, 120, 18, 72, 52, 120, 38]

cp's OEIS Frontend

A255486 Number of odd terms in expansion of (1+x+x^3+x^4)^n.

Table of values

List of values

n	a(n)
0	1
1	4
2	4
3	10
4	4
5	12
6	10
7	18
8	4
9	16
10	12
11	28
12	10
13	28
14	18
15	38
16	4
17	16
18	16
19	40
20	12
21	40
22	28
23	52
24	10
25	40
26	28
27	64
28	18
29	52
30	38
31	74
32	4
33	16
34	16
35	40
36	16
37	48
38	40
39	72
40	12
41	48
42	40
43	96
44	28
45	88
46	52
47	108
48	10
49	40
50	40
51	100
52	28
53	96
54	64
55	120
56	18
57	72
58	52
59	120
60	38

n	a(n)
0	1
1	4
2	4
3	10
4	4
5	12
6	10
7	18
8	4
9	16
10	12
11	28
12	10
13	28
14	18
15	38
16	4
17	16
18	16
19	40
20	12
21	40
22	28
23	52
24	10
25	40
26	28
27	64
28	18
29	52
30	38
31	74
32	4
33	16
34	16
35	40
36	16
37	48
38	40
39	72
40	12
41	48
42	40
43	96
44	28
45	88
46	52
47	108
48	10
49	40
50	40
51	100
52	28
53	96
54	64
55	120
56	18
57	72
58	52
59	120
60	38

n	a(n)
0	1
1	4
2	4
3	10
4	4
5	12
6	10
7	18
8	4
9	16
10	12
11	28
12	10
13	28
14	18
15	38
16	4
17	16
18	16
19	40
20	12
21	40
22	28
23	52
24	10
25	40
26	28
27	64
28	18
29	52
30	38
31	74
32	4
33	16
34	16
35	40
36	16
37	48
38	40
39	72
40	12
41	48
42	40
43	96
44	28
45	88
46	52
47	108
48	10
49	40
50	40
51	100
52	28
53	96
54	64
55	120
56	18
57	72
58	52
59	120
60	38