A374067 - cp's OEIS frontend

A374067 a(n) is the permanent of the symmetric Toeplitz matrix of order n whose element (i,j) equals the |i-j|-th prime or 1 if i = j.

n	a(n)
0	1
1	1
2	5
3	42
4	753
5	22969
6	1226225
7	98413280
8	11551199289
9	1828335971613
10	379823112871605
11	102232301626742202
12	34359550765856135217
13	14289766516805617273497
14	7224166042347461997365713
15	4334493536305030883929928032
16	3046742350470292308074313518937
17	2492781304663024301187012794633153

[1, 1, 5, 42, 753, 22969, 1226225, 98413280, 11551199289, 1828335971613, 379823112871605, 102232301626742202, 34359550765856135217, 14289766516805617273497, 7224166042347461997365713, 4334493536305030883929928032, 3046742350470292308074313518937, 2492781304663024301187012794633153]

cp's OEIS Frontend

A374067 a(n) is the permanent of the symmetric Toeplitz matrix of order n whose element (i,j) equals the |i-j|-th prime or 1 if i = j.

Table of values

List of values