A077596 - cp's OEIS frontend

A077596 Central coefficients of Moebius polynomials (A074586): coefficient of x^(n/2-1/2) if n is odd; coefficient of x^(n/2-1) if n is even and >4. The n-th Moebius polynomial, M(n,x), satisfies M(n,-1)=mu(n) the Moebius function of n.

n	a(n)
1	1
2	2
3	4
4	8
5	15
6	30
7	57
8	108
9	206
10	393
11	752
12	1439
13	2772
14	5334
15	10327
16	19967
17	38808
18	75319
19	146844
20	285862
21	558723
22	1090370
23	2135551
24	4176224
25	8193490
26	16050930
27	31537017
28	61872863
29	121721157
30	239115024
31	470918888
32	926141652
33	1825708221

[1, 2, 4, 8, 15, 30, 57, 108, 206, 393, 752, 1439, 2772, 5334, 10327, 19967, 38808, 75319, 146844, 285862, 558723, 1090370, 2135551, 4176224, 8193490, 16050930, 31537017, 61872863, 121721157, 239115024, 470918888, 926141652, 1825708221]

cp's OEIS Frontend

A077596 Central coefficients of Moebius polynomials (A074586): coefficient of x^(n/2-1/2) if n is odd; coefficient of x^(n/2-1) if n is even and >4. The n-th Moebius polynomial, M(n,x), satisfies M(n,-1)=mu(n) the Moebius function of n.

Table of values

List of values