A305833 - cp's OEIS frontend

A305833 Triangle read by rows: T(0,0)=1; T(n,k) = 4*T(n-1,k) + 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	4
2	16
3	1
4	64
5	8
6	256
7	48
8	1
9	1024
10	256
11	12
12	4096
13	1280
14	96
15	1
16	16384
17	6144
18	640
19	16
20	65536
21	28672
22	3840
23	160
24	1
25	262144
26	131072
27	21504
28	1280
29	20
30	1048576
31	589824
32	114688
33	8960
34	240
35	1
36	4194304
37	2621440
38	589824
39	57344
40	2240
41	24
42	16777216
43	11534336
44	2949120
45	344064
46	17920
47	336
48	1

[1, 4, 16, 1, 64, 8, 256, 48, 1, 1024, 256, 12, 4096, 1280, 96, 1, 16384, 6144, 640, 16, 65536, 28672, 3840, 160, 1, 262144, 131072, 21504, 1280, 20, 1048576, 589824, 114688, 8960, 240, 1, 4194304, 2621440, 589824, 57344, 2240, 24, 16777216, 11534336, 2949120, 344064, 17920, 336, 1]

cp's OEIS Frontend

A305833 Triangle read by rows: T(0,0)=1; T(n,k) = 4*T(n-1,k) + 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