A174964 - cp's OEIS frontend

A174964 Determinant of the symmetric n X n matrix M_n where M_n(j,k) = n^2+1 for j = k, M_n(j,k) = n for abs(j-k) = 1, M_n(j,k) = 0 otherwise.

n	a(n)
1	2
2	21
3	820
4	69905
5	10172526
6	2238976117
7	692352720200
8	285942833483841
9	151970818238211610
10	101010101010101010101
11	82081105631730092455932
12	80052769211806164721787281
13	92279361920609501281366280390

[2, 21, 820, 69905, 10172526, 2238976117, 692352720200, 285942833483841, 151970818238211610, 101010101010101010101, 82081105631730092455932, 80052769211806164721787281, 92279361920609501281366280390]

cp's OEIS Frontend

A174964 Determinant of the symmetric n X n matrix M_n where M_n(j,k) = n^2+1 for j = k, M_n(j,k) = n for abs(j-k) = 1, M_n(j,k) = 0 otherwise.

Table of values

List of values