A275155 - cp's OEIS frontend

A275155 a(1) = 18; a(n) = 3a(n - 1) + 2sqrt(2a(n - 1)(a(n - 1) - 14)) - 14 for n > 1.

n	a(n)
1	18
2	64
3	338
4	1936
5	11250
6	65536
7	381938
8	2226064
9	12974418
10	75620416
11	440748050
12	2568867856
13	14972459058
14	87265886464
15	508622859698
16	2964471271696
17	17278204770450
18	100704757350976
19	586950339335378
20	3420997278661264
21	19939033332632178
22	116213202717131776

[18, 64, 338, 1936, 11250, 65536, 381938, 2226064, 12974418, 75620416, 440748050, 2568867856, 14972459058, 87265886464, 508622859698, 2964471271696, 17278204770450, 100704757350976, 586950339335378, 3420997278661264, 19939033332632178, 116213202717131776]

cp's OEIS Frontend

A275155 a(1) = 18; a(n) = 3a(n - 1) + 2sqrt(2a(n - 1)(a(n - 1) - 14)) - 14 for n > 1.

Table of values

List of values

cp's OEIS Frontend

A275155 a(1) = 18; a(n) = 3*a(n - 1) + 2*sqrt(2*a(n - 1)*(a(n - 1) - 14)) - 14 for n > 1.

Table of values

List of values

A275155 a(1) = 18; a(n) = 3a(n - 1) + 2sqrt(2a(n - 1)(a(n - 1) - 14)) - 14 for n > 1.