A300453 - cp's OEIS frontend

A300453 Irregular triangle read by rows: row n consists of the coefficients of the expansion of the polynomial (x + 1)^n + x^2 - 1.

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	1
6	0
7	2
8	2
9	0
10	3
11	4
12	1
13	0
14	4
15	7
16	4
17	1
18	0
19	5
20	11
21	10
22	5
23	1
24	0
25	6
26	16
27	20
28	15
29	6
30	1
31	0
32	7
33	22
34	35
35	35
36	21
37	7
38	1
39	0
40	8
41	29
42	56
43	70
44	56
45	28
46	8
47	1
48	0
49	9
50	37
51	84
52	126
53	126
54	84
55	36
56	9
57	1
58	0
59	10
60	46
61	120
62	210
63	252
64	210
65	120
66	45
67	10
68	1
69	0
70	11
71	56
72	165

[0, 0, 1, 0, 1, 1, 0, 2, 2, 0, 3, 4, 1, 0, 4, 7, 4, 1, 0, 5, 11, 10, 5, 1, 0, 6, 16, 20, 15, 6, 1, 0, 7, 22, 35, 35, 21, 7, 1, 0, 8, 29, 56, 70, 56, 28, 8, 1, 0, 9, 37, 84, 126, 126, 84, 36, 9, 1, 0, 10, 46, 120, 210, 252, 210, 120, 45, 10, 1, 0, 11, 56, 165]

cp's OEIS Frontend

A300453 Irregular triangle read by rows: row n consists of the coefficients of the expansion of the polynomial (x + 1)^n + x^2 - 1.

Table of values

List of values

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	1
6	0
7	2
8	2
9	0
10	3
11	4
12	1
13	0
14	4
15	7
16	4
17	1
18	0
19	5
20	11
21	10
22	5
23	1
24	0
25	6
26	16
27	20
28	15
29	6
30	1
31	0
32	7
33	22
34	35
35	35
36	21
37	7
38	1
39	0
40	8
41	29
42	56
43	70
44	56
45	28
46	8
47	1
48	0
49	9
50	37
51	84
52	126
53	126
54	84
55	36
56	9
57	1
58	0
59	10
60	46
61	120
62	210
63	252
64	210
65	120
66	45
67	10
68	1
69	0
70	11
71	56
72	165

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	1
6	0
7	2
8	2
9	0
10	3
11	4
12	1
13	0
14	4
15	7
16	4
17	1
18	0
19	5
20	11
21	10
22	5
23	1
24	0
25	6
26	16
27	20
28	15
29	6
30	1
31	0
32	7
33	22
34	35
35	35
36	21
37	7
38	1
39	0
40	8
41	29
42	56
43	70
44	56
45	28
46	8
47	1
48	0
49	9
50	37
51	84
52	126
53	126
54	84
55	36
56	9
57	1
58	0
59	10
60	46
61	120
62	210
63	252
64	210
65	120
66	45
67	10
68	1
69	0
70	11
71	56
72	165

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	1
6	0
7	2
8	2
9	0
10	3
11	4
12	1
13	0
14	4
15	7
16	4
17	1
18	0
19	5
20	11
21	10
22	5
23	1
24	0
25	6
26	16
27	20
28	15
29	6
30	1
31	0
32	7
33	22
34	35
35	35
36	21
37	7
38	1
39	0
40	8
41	29
42	56
43	70
44	56
45	28
46	8
47	1
48	0
49	9
50	37
51	84
52	126
53	126
54	84
55	36
56	9
57	1
58	0
59	10
60	46
61	120
62	210
63	252
64	210
65	120
66	45
67	10
68	1
69	0
70	11
71	56
72	165