A120963 - cp's OEIS frontend

A120963 Number of monic polynomials with integer coefficients of degree n with all roots on the unit circle; number of products of cyclotomic polynomials of degree n.

n	a(n)
0	1
1	2
2	6
3	10
4	24
5	38
6	78
7	118
8	224
9	330
10	584
11	838
12	1420
13	2002
14	3258
15	4514
16	7134
17	9754
18	15010
19	20266
20	30532
21	40798
22	60280
23	79762
24	115966
25	152170
26	217962
27	283754
28	401250
29	518746
30	724866
31	930986
32	1287306
33	1643626
34	2250538
35	2857450
36	3878298
37	4899146
38	6594822

[1, 2, 6, 10, 24, 38, 78, 118, 224, 330, 584, 838, 1420, 2002, 3258, 4514, 7134, 9754, 15010, 20266, 30532, 40798, 60280, 79762, 115966, 152170, 217962, 283754, 401250, 518746, 724866, 930986, 1287306, 1643626, 2250538, 2857450, 3878298, 4899146, 6594822]

cp's OEIS Frontend

A120963 Number of monic polynomials with integer coefficients of degree n with all roots on the unit circle; number of products of cyclotomic polynomials of degree n.

Table of values

List of values