A318775 - cp's OEIS frontend

A318775 Triangle read by rows: T(0,0) = 1; T(n,k) = T(n-1,k) + 2 * T(n-5,k-1) for k = 0..floor(n/5); T(n,k)=0 for n or k < 0.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	4
9	1
10	6
11	1
12	8
13	1
14	10
15	1
16	12
17	4
18	1
19	14
20	12
21	1
22	16
23	24
24	1
25	18
26	40
27	1
28	20
29	60
30	1
31	22
32	84
33	8
34	1
35	24
36	112
37	32
38	1
39	26
40	144
41	80
42	1
43	28
44	180
45	160
46	1
47	30
48	220
49	280
50	1
51	32
52	264
53	448
54	16
55	1
56	34
57	312
58	672
59	80
60	1
61	36
62	364
63	960
64	240
65	1
66	38
67	420
68	1320
69	560
70	1
71	40
72	480
73	1760
74	1120

[1, 1, 1, 1, 1, 1, 2, 1, 4, 1, 6, 1, 8, 1, 10, 1, 12, 4, 1, 14, 12, 1, 16, 24, 1, 18, 40, 1, 20, 60, 1, 22, 84, 8, 1, 24, 112, 32, 1, 26, 144, 80, 1, 28, 180, 160, 1, 30, 220, 280, 1, 32, 264, 448, 16, 1, 34, 312, 672, 80, 1, 36, 364, 960, 240, 1, 38, 420, 1320, 560, 1, 40, 480, 1760, 1120]

cp's OEIS Frontend

A318775 Triangle read by rows: T(0,0) = 1; T(n,k) = T(n-1,k) + 2 * T(n-5,k-1) for k = 0..floor(n/5); T(n,k)=0 for n or k < 0.

Table of values

List of values