A104498 - cp's OEIS frontend

A104498 Expansion of (1/2)(1-sqrt(1-8x)/sqrt(1-4*x)).

n	a(n)
0	0
1	1
2	5
3	26
4	141
5	798
6	4706
7	28820
8	182461
9	1188406
10	7926102
11	53910828
12	372671250
13	2610977388
14	18498911268
15	132310178472
16	953981219997
17	6926326243110
18	50593306470542
19	371528742549692
20	2741187564459910
21	20310150708154564

[0, 1, 5, 26, 141, 798, 4706, 28820, 182461, 1188406, 7926102, 53910828, 372671250, 2610977388, 18498911268, 132310178472, 953981219997, 6926326243110, 50593306470542, 371528742549692, 2741187564459910, 20310150708154564]

cp's OEIS Frontend

A104498 Expansion of (1/2)(1-sqrt(1-8x)/sqrt(1-4*x)).

Table of values

List of values

cp's OEIS Frontend

A104498 Expansion of (1/2)*(1-sqrt(1-8*x)/sqrt(1-4*x)).

Table of values

List of values

A104498 Expansion of (1/2)(1-sqrt(1-8x)/sqrt(1-4*x)).