A376285 - cp's OEIS frontend

A376285 a(n) = 20^n * cos(n*A), where A is the angle opposite side BC in a triangle ABC having sidelengths |BC|=3, |CA|=4, |AB|=5; ABC is the smallest integer-sided right triangle.

n	a(n)
0	1
1	16
2	112
3	-2816
4	-134912
5	-3190784
6	-48140288
7	-264175616
8	10802495488
9	451350102016
10	10122205069312
11	143370521411584
12	538974657445888
13	-40101019526365184
14	-1498822487822041088
15	-31921911799759241216
16	-421972182463479283712
17	-734345118927640592384

[1, 16, 112, -2816, -134912, -3190784, -48140288, -264175616, 10802495488, 451350102016, 10122205069312, 143370521411584, 538974657445888, -40101019526365184, -1498822487822041088, -31921911799759241216, -421972182463479283712, -734345118927640592384]

cp's OEIS Frontend

A376285 a(n) = 20^n * cos(n*A), where A is the angle opposite side BC in a triangle ABC having sidelengths |BC|=3, |CA|=4, |AB|=5; ABC is the smallest integer-sided right triangle.

Table of values

List of values