A257180 - cp's OEIS frontend

A257180 Triangle, read by rows, T(n,k) = t(n-k, k) where t(n,m) = f(m)t(n-1,m) + f(n)t(n,m-1), and f(x) = x + 3.

n	a(n)
0	1
1	3
2	3
3	9
4	24
5	9
6	27
7	141
8	141
9	27
10	81
11	726
12	1410
13	726
14	81
15	243
16	3471
17	11406
18	11406
19	3471
20	243
21	729
22	15828
23	81327
24	136872
25	81327
26	15828
27	729
28	2187
29	69873
30	533259
31	1390521
32	1390521
33	533259
34	69873
35	2187
36	6561
37	301362
38	3295152
39	12609198
40	19467294
41	12609198
42	3295152
43	301362
44	6561
45	19683
46	1277619
47	19489380
48	105311556
49	237144642
50	237144642
51	105311556
52	19489380
53	1277619
54	19683

[1, 3, 3, 9, 24, 9, 27, 141, 141, 27, 81, 726, 1410, 726, 81, 243, 3471, 11406, 11406, 3471, 243, 729, 15828, 81327, 136872, 81327, 15828, 729, 2187, 69873, 533259, 1390521, 1390521, 533259, 69873, 2187, 6561, 301362, 3295152, 12609198, 19467294, 12609198, 3295152, 301362, 6561, 19683, 1277619, 19489380, 105311556, 237144642, 237144642, 105311556, 19489380, 1277619, 19683]

cp's OEIS Frontend

A257180 Triangle, read by rows, T(n,k) = t(n-k, k) where t(n,m) = f(m)t(n-1,m) + f(n)t(n,m-1), and f(x) = x + 3.

Table of values

List of values

cp's OEIS Frontend

A257180 Triangle, read by rows, T(n,k) = t(n-k, k) where t(n,m) = f(m)*t(n-1,m) + f(n)*t(n,m-1), and f(x) = x + 3.

Table of values

List of values

A257180 Triangle, read by rows, T(n,k) = t(n-k, k) where t(n,m) = f(m)t(n-1,m) + f(n)t(n,m-1), and f(x) = x + 3.