A122479 - cp's OEIS frontend

A122479 Triangle T(n,k), 0<=k<=n, defined by T(n,k) = 0 if k<0 or k>n, T(0,0) = 1, T(n,k) = T(n,k-1)+T(n-1,k-1)+T(n-1,k)+T(n-1,k+1).

n	a(n)
0	1
1	1
2	2
3	3
4	6
5	8
6	9
7	26
8	40
9	48
10	35
11	110
12	224
13	312
14	360
15	145
16	514
17	1160
18	2056
19	2728
20	3088
21	659
22	2478
23	5208
24	12152
25	20024
26	25840
27	28928
28	3137
29	12482
30	33320
31	71704
32	129720
33	204512
34	259280
35	288208
36	15619
37	64558
38	182064
39	416808
40	822744
41	1416256
42	2168256

[1, 1, 2, 3, 6, 8, 9, 26, 40, 48, 35, 110, 224, 312, 360, 145, 514, 1160, 2056, 2728, 3088, 659, 2478, 5208, 12152, 20024, 25840, 28928, 3137, 12482, 33320, 71704, 129720, 204512, 259280, 288208, 15619, 64558, 182064, 416808, 822744, 1416256, 2168256]

cp's OEIS Frontend

A122479 Triangle T(n,k), 0<=k<=n, defined by T(n,k) = 0 if k<0 or k>n, T(0,0) = 1, T(n,k) = T(n,k-1)+T(n-1,k-1)+T(n-1,k)+T(n-1,k+1).

Table of values

List of values