A243626 - cp's OEIS frontend

A243626 Expansion of (1-3x-sqrt(x^2-10x+1))/(4*x+2).

n	a(n)
0	0
1	1
2	4
3	22
4	142
5	1006
6	7570
7	59410
8	480910
9	3986230
10	33666154
11	288675322
12	2506487158
13	21993277294
14	194717676514
15	1737297725602
16	15604975886110
17	140999418473830
18	1280687414193370
19	11686769594020810
20	107093513405758342
21	985080052054562206
22	9092152494448328914

[0, 1, 4, 22, 142, 1006, 7570, 59410, 480910, 3986230, 33666154, 288675322, 2506487158, 21993277294, 194717676514, 1737297725602, 15604975886110, 140999418473830, 1280687414193370, 11686769594020810, 107093513405758342, 985080052054562206, 9092152494448328914]

cp's OEIS Frontend

A243626 Expansion of (1-3x-sqrt(x^2-10x+1))/(4*x+2).

Table of values

List of values

cp's OEIS Frontend

A243626 Expansion of (1-3*x-sqrt(x^2-10*x+1))/(4*x+2).

Table of values

List of values

A243626 Expansion of (1-3x-sqrt(x^2-10x+1))/(4*x+2).