A365539 - cp's OEIS frontend

A365539 Array read by ascending antidiagonals: A(n,k) = [x^n] (1 + x^k)/((1 - x)^2*(1 - x^k)), with k > 0.

n	a(n)
0	1
1	4
2	1
3	9
4	2
5	1
6	16
7	5
8	2
9	1
10	25
11	8
12	3
13	2
14	1
15	36
16	13
17	6
18	3
19	2
20	1
21	49
22	18
23	9
24	4
25	3
26	2
27	1
28	64
29	25
30	12
31	7
32	4
33	3
34	2
35	1
36	81
37	32
38	17
39	10
40	5
41	4
42	3
43	2
44	1
45	100
46	41
47	22
48	13
49	8
50	5
51	4
52	3
53	2
54	1
55	121
56	50
57	27
58	16
59	11
60	6
61	5
62	4
63	3
64	2
65	1
66	144
67	61
68	34
69	21
70	14
71	9
72	6
73	5
74	4
75	3
76	2
77	1

[1, 4, 1, 9, 2, 1, 16, 5, 2, 1, 25, 8, 3, 2, 1, 36, 13, 6, 3, 2, 1, 49, 18, 9, 4, 3, 2, 1, 64, 25, 12, 7, 4, 3, 2, 1, 81, 32, 17, 10, 5, 4, 3, 2, 1, 100, 41, 22, 13, 8, 5, 4, 3, 2, 1, 121, 50, 27, 16, 11, 6, 5, 4, 3, 2, 1, 144, 61, 34, 21, 14, 9, 6, 5, 4, 3, 2, 1]

cp's OEIS Frontend

A365539 Array read by ascending antidiagonals: A(n,k) = [x^n] (1 + x^k)/((1 - x)^2*(1 - x^k)), with k > 0.

Table of values

List of values

n	a(n)
0	1
1	4
2	1
3	9
4	2
5	1
6	16
7	5
8	2
9	1
10	25
11	8
12	3
13	2
14	1
15	36
16	13
17	6
18	3
19	2
20	1
21	49
22	18
23	9
24	4
25	3
26	2
27	1
28	64
29	25
30	12
31	7
32	4
33	3
34	2
35	1
36	81
37	32
38	17
39	10
40	5
41	4
42	3
43	2
44	1
45	100
46	41
47	22
48	13
49	8
50	5
51	4
52	3
53	2
54	1
55	121
56	50
57	27
58	16
59	11
60	6
61	5
62	4
63	3
64	2
65	1
66	144
67	61
68	34
69	21
70	14
71	9
72	6
73	5
74	4
75	3
76	2
77	1

n	a(n)
0	1
1	4
2	1
3	9
4	2
5	1
6	16
7	5
8	2
9	1
10	25
11	8
12	3
13	2
14	1
15	36
16	13
17	6
18	3
19	2
20	1
21	49
22	18
23	9
24	4
25	3
26	2
27	1
28	64
29	25
30	12
31	7
32	4
33	3
34	2
35	1
36	81
37	32
38	17
39	10
40	5
41	4
42	3
43	2
44	1
45	100
46	41
47	22
48	13
49	8
50	5
51	4
52	3
53	2
54	1
55	121
56	50
57	27
58	16
59	11
60	6
61	5
62	4
63	3
64	2
65	1
66	144
67	61
68	34
69	21
70	14
71	9
72	6
73	5
74	4
75	3
76	2
77	1

n	a(n)
0	1
1	4
2	1
3	9
4	2
5	1
6	16
7	5
8	2
9	1
10	25
11	8
12	3
13	2
14	1
15	36
16	13
17	6
18	3
19	2
20	1
21	49
22	18
23	9
24	4
25	3
26	2
27	1
28	64
29	25
30	12
31	7
32	4
33	3
34	2
35	1
36	81
37	32
38	17
39	10
40	5
41	4
42	3
43	2
44	1
45	100
46	41
47	22
48	13
49	8
50	5
51	4
52	3
53	2
54	1
55	121
56	50
57	27
58	16
59	11
60	6
61	5
62	4
63	3
64	2
65	1
66	144
67	61
68	34
69	21
70	14
71	9
72	6
73	5
74	4
75	3
76	2
77	1