A058819 - cp's OEIS frontend

A058819 a(0) = 1, a(1) = 4; for n >= 2 a(n) is the number of degree-n monic reducible polynomials over GF(4), i.e., a(n) = 4^n - A027377(n).

n	a(n)
0	1
1	4
2	10
3	44
4	196
5	820
6	3426
7	14044
8	57376
9	233024
10	943822
11	3813004
12	15379476
13	61946644
14	249262666
15	1002159108
16	4026535936
17	16169288644
18	64901742816
19	260410648684
20	1044536098828
21	4188615725644
22	16792541414866
23	67309233561244
24	269746853382816
25	1080863910568960
26	4330384259668126

[1, 4, 10, 44, 196, 820, 3426, 14044, 57376, 233024, 943822, 3813004, 15379476, 61946644, 249262666, 1002159108, 4026535936, 16169288644, 64901742816, 260410648684, 1044536098828, 4188615725644, 16792541414866, 67309233561244, 269746853382816, 1080863910568960, 4330384259668126]

cp's OEIS Frontend

A058819 a(0) = 1, a(1) = 4; for n >= 2 a(n) is the number of degree-n monic reducible polynomials over GF(4), i.e., a(n) = 4^n - A027377(n).

Table of values

List of values