A249790 - cp's OEIS frontend

A249790 Triangle in which row n lists the coefficients in Product_{k=1..n} (1 + k*x + x^2), for n>=0, as read by rows.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	3
6	4
7	3
8	1
9	1
10	6
11	14
12	18
13	14
14	6
15	1
16	1
17	10
18	39
19	80
20	100
21	80
22	39
23	10
24	1
25	1
26	15
27	90
28	285
29	539
30	660
31	539
32	285
33	90
34	15
35	1
36	1
37	21
38	181
39	840
40	2339
41	4179
42	5038
43	4179
44	2339
45	840
46	181
47	21
48	1
49	1
50	28
51	329
52	2128
53	8400
54	21392
55	36630
56	43624
57	36630
58	21392
59	8400
60	2128
61	329
62	28
63	1
64	1
65	36
66	554
67	4788
68	25753
69	90720
70	216166
71	358056
72	422252

[1, 1, 1, 1, 1, 3, 4, 3, 1, 1, 6, 14, 18, 14, 6, 1, 1, 10, 39, 80, 100, 80, 39, 10, 1, 1, 15, 90, 285, 539, 660, 539, 285, 90, 15, 1, 1, 21, 181, 840, 2339, 4179, 5038, 4179, 2339, 840, 181, 21, 1, 1, 28, 329, 2128, 8400, 21392, 36630, 43624, 36630, 21392, 8400, 2128, 329, 28, 1, 1, 36, 554, 4788, 25753, 90720, 216166, 358056, 422252]

cp's OEIS Frontend

A249790 Triangle in which row n lists the coefficients in Product_{k=1..n} (1 + k*x + x^2), for n>=0, as read by rows.

Table of values

List of values