A257615 - cp's OEIS frontend

A257615 Triangle read by rows: T(n,k) = t(n-k, k); t(n,m) = f(m)t(n-1,m) + f(n)t(n,m-1), where f(x) = 2*x + 5.

n	a(n)
0	1
1	5
2	5
3	25
4	70
5	25
6	125
7	715
8	715
9	125
10	625
11	6380
12	12870
13	6380
14	625
15	3125
16	52785
17	186010
18	186010
19	52785
20	3125
21	15625
22	416370
23	2360295
24	4092220
25	2360295
26	416370
27	15625
28	78125
29	3180215
30	27488205
31	75698255
32	75698255
33	27488205
34	3180215
35	78125

[1, 5, 5, 25, 70, 25, 125, 715, 715, 125, 625, 6380, 12870, 6380, 625, 3125, 52785, 186010, 186010, 52785, 3125, 15625, 416370, 2360295, 4092220, 2360295, 416370, 15625, 78125, 3180215, 27488205, 75698255, 75698255, 27488205, 3180215, 78125]

cp's OEIS Frontend

A257615 Triangle read by rows: T(n,k) = t(n-k, k); t(n,m) = f(m)t(n-1,m) + f(n)t(n,m-1), where f(x) = 2*x + 5.

Table of values

List of values

cp's OEIS Frontend

A257615 Triangle read by rows: T(n,k) = t(n-k, k); t(n,m) = f(m)*t(n-1,m) + f(n)*t(n,m-1), where f(x) = 2*x + 5.

Table of values

List of values

A257615 Triangle read by rows: T(n,k) = t(n-k, k); t(n,m) = f(m)t(n-1,m) + f(n)t(n,m-1), where f(x) = 2*x + 5.