A317054 - cp's OEIS frontend

A317054 Triangle read by rows: T(0,0) = 1; T(n,k) = T(n-1,k) + 10 * 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	10
4	1
5	20
6	1
7	30
8	100
9	1
10	40
11	300
12	1
13	50
14	600
15	1000
16	1
17	60
18	1000
19	4000
20	1
21	70
22	1500
23	10000
24	10000
25	1
26	80
27	2100
28	20000
29	50000
30	1
31	90
32	2800
33	35000
34	150000
35	100000
36	1
37	100
38	3600
39	56000
40	350000
41	600000
42	1
43	110
44	4500
45	84000
46	700000
47	2100000
48	1000000
49	1
50	120
51	5500
52	120000
53	1260000
54	5600000
55	7000000

[1, 1, 1, 10, 1, 20, 1, 30, 100, 1, 40, 300, 1, 50, 600, 1000, 1, 60, 1000, 4000, 1, 70, 1500, 10000, 10000, 1, 80, 2100, 20000, 50000, 1, 90, 2800, 35000, 150000, 100000, 1, 100, 3600, 56000, 350000, 600000, 1, 110, 4500, 84000, 700000, 2100000, 1000000, 1, 120, 5500, 120000, 1260000, 5600000, 7000000]

cp's OEIS Frontend

A317054 Triangle read by rows: T(0,0) = 1; T(n,k) = T(n-1,k) + 10 * 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