A080018 - cp's OEIS frontend

A080018 Triangle of coefficients of polynomials P(n; x) = Permanent(M), where M=[m(i,j)] is n X n matrix defined by m(i,j)=x if -1<=i-j<=1 else m(i,j)=1.

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	2
6	0
7	1
8	2
9	3
10	1
11	2
12	10
13	6
14	5
15	4
16	20
17	28
18	44
19	16
20	8
21	29
22	104
23	207
24	180
25	151
26	36
27	13
28	206
29	775
30	1288
31	1407
32	830
33	437
34	76
35	21
36	1708
37	6140
38	10366
39	10384
40	7298
41	3100
42	1138
43	152
44	34
45	15702
46	55427
47	91296
48	92896
49	63140
50	31278
51	10048
52	2744
53	294
54	55

[1, 0, 1, 0, 0, 2, 0, 1, 2, 3, 1, 2, 10, 6, 5, 4, 20, 28, 44, 16, 8, 29, 104, 207, 180, 151, 36, 13, 206, 775, 1288, 1407, 830, 437, 76, 21, 1708, 6140, 10366, 10384, 7298, 3100, 1138, 152, 34, 15702, 55427, 91296, 92896, 63140, 31278, 10048, 2744, 294, 55]

cp's OEIS Frontend

A080018 Triangle of coefficients of polynomials P(n; x) = Permanent(M), where M=[m(i,j)] is n X n matrix defined by m(i,j)=x if -1<=i-j<=1 else m(i,j)=1.

Table of values

List of values