A013609 - cp's OEIS frontend

A013609 Triangle of coefficients in expansion of (1+2*x)^n.

n	a(n)
0	1
1	1
2	2
3	1
4	4
5	4
6	1
7	6
8	12
9	8
10	1
11	8
12	24
13	32
14	16
15	1
16	10
17	40
18	80
19	80
20	32
21	1
22	12
23	60
24	160
25	240
26	192
27	64
28	1
29	14
30	84
31	280
32	560
33	672
34	448
35	128
36	1
37	16
38	112
39	448
40	1120
41	1792
42	1792
43	1024
44	256
45	1
46	18
47	144
48	672
49	2016
50	4032
51	5376
52	4608
53	2304
54	512
55	1
56	20
57	180
58	960
59	3360
60	8064
61	13440
62	15360
63	11520
64	5120
65	1024

[1, 1, 2, 1, 4, 4, 1, 6, 12, 8, 1, 8, 24, 32, 16, 1, 10, 40, 80, 80, 32, 1, 12, 60, 160, 240, 192, 64, 1, 14, 84, 280, 560, 672, 448, 128, 1, 16, 112, 448, 1120, 1792, 1792, 1024, 256, 1, 18, 144, 672, 2016, 4032, 5376, 4608, 2304, 512, 1, 20, 180, 960, 3360, 8064, 13440, 15360, 11520, 5120, 1024]

cp's OEIS Frontend

A013609 Triangle of coefficients in expansion of (1+2*x)^n.

Table of values

List of values