A168641 - cp's OEIS frontend

A168641 Triangle read by rows: T(n,k) = [x^k] p(x,n), where p(x,n) = 3(x + 1)^n - 2(x^n + 1) - n*(x + x^(n - 1)) for n >= 2, p(x,0) = 1, and p(x,1) = x + 1.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	6
8	6
9	1
10	1
11	8
12	18
13	8
14	1
15	1
16	10
17	30
18	30
19	10
20	1
21	1
22	12
23	45
24	60
25	45
26	12
27	1
28	1
29	14
30	63
31	105
32	105
33	63
34	14
35	1
36	1
37	16
38	84
39	168
40	210
41	168
42	84
43	16
44	1
45	1
46	18
47	108
48	252
49	378
50	378
51	252
52	108
53	18
54	1
55	1
56	20
57	135
58	360
59	630
60	756
61	630
62	360
63	135
64	20
65	1

[1, 1, 1, 1, 2, 1, 1, 6, 6, 1, 1, 8, 18, 8, 1, 1, 10, 30, 30, 10, 1, 1, 12, 45, 60, 45, 12, 1, 1, 14, 63, 105, 105, 63, 14, 1, 1, 16, 84, 168, 210, 168, 84, 16, 1, 1, 18, 108, 252, 378, 378, 252, 108, 18, 1, 1, 20, 135, 360, 630, 756, 630, 360, 135, 20, 1]

cp's OEIS Frontend

A168641 Triangle read by rows: T(n,k) = [x^k] p(x,n), where p(x,n) = 3(x + 1)^n - 2(x^n + 1) - n*(x + x^(n - 1)) for n >= 2, p(x,0) = 1, and p(x,1) = x + 1.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	6
8	6
9	1
10	1
11	8
12	18
13	8
14	1
15	1
16	10
17	30
18	30
19	10
20	1
21	1
22	12
23	45
24	60
25	45
26	12
27	1
28	1
29	14
30	63
31	105
32	105
33	63
34	14
35	1
36	1
37	16
38	84
39	168
40	210
41	168
42	84
43	16
44	1
45	1
46	18
47	108
48	252
49	378
50	378
51	252
52	108
53	18
54	1
55	1
56	20
57	135
58	360
59	630
60	756
61	630
62	360
63	135
64	20
65	1

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	6
8	6
9	1
10	1
11	8
12	18
13	8
14	1
15	1
16	10
17	30
18	30
19	10
20	1
21	1
22	12
23	45
24	60
25	45
26	12
27	1
28	1
29	14
30	63
31	105
32	105
33	63
34	14
35	1
36	1
37	16
38	84
39	168
40	210
41	168
42	84
43	16
44	1
45	1
46	18
47	108
48	252
49	378
50	378
51	252
52	108
53	18
54	1
55	1
56	20
57	135
58	360
59	630
60	756
61	630
62	360
63	135
64	20
65	1

cp's OEIS Frontend

A168641 Triangle read by rows: T(n,k) = [x^k] p(x,n), where p(x,n) = 3*(x + 1)^n - 2*(x^n + 1) - n*(x + x^(n - 1)) for n >= 2, p(x,0) = 1, and p(x,1) = x + 1.

Table of values

List of values

A168641 Triangle read by rows: T(n,k) = [x^k] p(x,n), where p(x,n) = 3(x + 1)^n - 2(x^n + 1) - n*(x + x^(n - 1)) for n >= 2, p(x,0) = 1, and p(x,1) = x + 1.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	6
8	6
9	1
10	1
11	8
12	18
13	8
14	1
15	1
16	10
17	30
18	30
19	10
20	1
21	1
22	12
23	45
24	60
25	45
26	12
27	1
28	1
29	14
30	63
31	105
32	105
33	63
34	14
35	1
36	1
37	16
38	84
39	168
40	210
41	168
42	84
43	16
44	1
45	1
46	18
47	108
48	252
49	378
50	378
51	252
52	108
53	18
54	1
55	1
56	20
57	135
58	360
59	630
60	756
61	630
62	360
63	135
64	20
65	1