A173116 - cp's OEIS frontend

A173116 a(n) = sinh(2arcsinh(n))^2 = 4n^2*(n^2 + 1).

n	a(n)
0	0
1	8
2	80
3	360
4	1088
5	2600
6	5328
7	9800
8	16640
9	26568
10	40400
11	59048
12	83520
13	114920
14	154448
15	203400
16	263168
17	335240
18	421200
19	522728
20	641600
21	779688
22	938960
23	1121480
24	1329408
25	1565000
26	1830608
27	2128680
28	2461760
29	2832488
30	3243600

[0, 8, 80, 360, 1088, 2600, 5328, 9800, 16640, 26568, 40400, 59048, 83520, 114920, 154448, 203400, 263168, 335240, 421200, 522728, 641600, 779688, 938960, 1121480, 1329408, 1565000, 1830608, 2128680, 2461760, 2832488, 3243600]

cp's OEIS Frontend

A173116 a(n) = sinh(2arcsinh(n))^2 = 4n^2*(n^2 + 1).

Table of values

List of values

cp's OEIS Frontend

A173116 a(n) = sinh(2*arcsinh(n))^2 = 4*n^2*(n^2 + 1).

Table of values

List of values

A173116 a(n) = sinh(2arcsinh(n))^2 = 4n^2*(n^2 + 1).