A107264 - cp's OEIS frontend

A107264 Expansion of (1 - 3x - sqrt((1-3x)^2 - 43x^2))/(23x^2).

n	a(n)
0	1
1	3
2	12
3	54
4	261
5	1323
6	6939
7	37341
8	205011
9	1143801
10	6466230
11	36960300
12	213243435
13	1240219269
14	7263473148
15	42799541886
16	253556163243
17	1509356586897
18	9023497273548
19	54154973176074
20	326154592965879
21	1970575690572297

[1, 3, 12, 54, 261, 1323, 6939, 37341, 205011, 1143801, 6466230, 36960300, 213243435, 1240219269, 7263473148, 42799541886, 253556163243, 1509356586897, 9023497273548, 54154973176074, 326154592965879, 1970575690572297]

cp's OEIS Frontend

A107264 Expansion of (1 - 3x - sqrt((1-3x)^2 - 43x^2))/(23x^2).

Table of values

List of values

cp's OEIS Frontend

A107264 Expansion of (1 - 3*x - sqrt((1-3*x)^2 - 4*3*x^2))/(2*3*x^2).

Table of values

List of values

A107264 Expansion of (1 - 3x - sqrt((1-3x)^2 - 43x^2))/(23x^2).