A085362 - cp's OEIS frontend

A085362 a(0)=1; for n>0, a(n) = 25^(n-1) - (1/2)Sum_{i=1..n-1} a(i)*a(n-i).

n	a(n)
0	1
1	2
2	8
3	34
4	150
5	678
6	3116
7	14494
8	68032
9	321590
10	1528776
11	7301142
12	35003238
13	168359754
14	812041860
15	3926147730
16	19022666310
17	92338836390
18	448968093320
19	2186194166950
20	10659569748370
21	52037098259090
22	254308709196660

[1, 2, 8, 34, 150, 678, 3116, 14494, 68032, 321590, 1528776, 7301142, 35003238, 168359754, 812041860, 3926147730, 19022666310, 92338836390, 448968093320, 2186194166950, 10659569748370, 52037098259090, 254308709196660]

cp's OEIS Frontend

A085362 a(0)=1; for n>0, a(n) = 25^(n-1) - (1/2)Sum_{i=1..n-1} a(i)*a(n-i).

Table of values

List of values

cp's OEIS Frontend

A085362 a(0)=1; for n>0, a(n) = 2*5^(n-1) - (1/2)*Sum_{i=1..n-1} a(i)*a(n-i).

Table of values

List of values

A085362 a(0)=1; for n>0, a(n) = 25^(n-1) - (1/2)Sum_{i=1..n-1} a(i)*a(n-i).