A305834 - cp's OEIS frontend

A305834 Triangle read by rows: T(0,0)= 1; T(n,k)= T(n-1,k) + 4*T(n-2,k-1) for k = 0..floor(n/2); T(n,k)=0 for n or k < 0.

n	a(n)
0	1
1	1
2	1
3	4
4	1
5	8
6	1
7	12
8	16
9	1
10	16
11	48
12	1
13	20
14	96
15	64
16	1
17	24
18	160
19	256
20	1
21	28
22	240
23	640
24	256
25	1
26	32
27	336
28	1280
29	1280
30	1
31	36
32	448
33	2240
34	3840
35	1024
36	1
37	40
38	576
39	3584
40	8960
41	6144
42	1
43	44
44	720
45	5376
46	17920
47	21504
48	4096

[1, 1, 1, 4, 1, 8, 1, 12, 16, 1, 16, 48, 1, 20, 96, 64, 1, 24, 160, 256, 1, 28, 240, 640, 256, 1, 32, 336, 1280, 1280, 1, 36, 448, 2240, 3840, 1024, 1, 40, 576, 3584, 8960, 6144, 1, 44, 720, 5376, 17920, 21504, 4096]

cp's OEIS Frontend

A305834 Triangle read by rows: T(0,0)= 1; T(n,k)= T(n-1,k) + 4*T(n-2,k-1) for k = 0..floor(n/2); T(n,k)=0 for n or k < 0.

Table of values

List of values