A084608 - cp's OEIS frontend

A084608 Triangle, read by rows, where the n-th row lists the (2n+1) coefficients of (1+2x+3x^2)^n.

n	a(n)
0	1
1	1
2	2
3	3
4	1
5	4
6	10
7	12
8	9
9	1
10	6
11	21
12	44
13	63
14	54
15	27
16	1
17	8
18	36
19	104
20	214
21	312
22	324
23	216
24	81
25	1
26	10
27	55
28	200
29	530
30	1052
31	1590
32	1800
33	1485
34	810
35	243
36	1
37	12
38	78
39	340
40	1095
41	2712
42	5284
43	8136
44	9855
45	9180
46	6318
47	2916
48	729
49	1
50	14
51	105
52	532
53	2009
54	5922
55	13993
56	26840
57	41979

[1, 1, 2, 3, 1, 4, 10, 12, 9, 1, 6, 21, 44, 63, 54, 27, 1, 8, 36, 104, 214, 312, 324, 216, 81, 1, 10, 55, 200, 530, 1052, 1590, 1800, 1485, 810, 243, 1, 12, 78, 340, 1095, 2712, 5284, 8136, 9855, 9180, 6318, 2916, 729, 1, 14, 105, 532, 2009, 5922, 13993, 26840, 41979]

cp's OEIS Frontend

A084608 Triangle, read by rows, where the n-th row lists the (2n+1) coefficients of (1+2x+3x^2)^n.

Table of values

List of values

cp's OEIS Frontend

A084608 Triangle, read by rows, where the n-th row lists the (2n+1) coefficients of (1+2*x+3*x^2)^n.

Table of values

List of values

A084608 Triangle, read by rows, where the n-th row lists the (2n+1) coefficients of (1+2x+3x^2)^n.