A368021 - cp's OEIS frontend

A368021 a(n) is the permanent of the n-th order Hankel matrix of Catalan numbers M(n) whose generic element is given by M(i,j) = A000108(i+j+3) with i,j = 0, ..., n-1.

n	a(n)
0	1
1	5
2	406
3	490614
4	8755482505
5	2318987094804471
6	9179129956137993425772
7	546580120389987275414413168012
8	492460174883711250780962744103403975159
9	6747075036368337341936435881321217868978170152215
10	1411689504898999110533224343869931312130954127737962059963934

[1, 5, 406, 490614, 8755482505, 2318987094804471, 9179129956137993425772, 546580120389987275414413168012, 492460174883711250780962744103403975159, 6747075036368337341936435881321217868978170152215, 1411689504898999110533224343869931312130954127737962059963934]

cp's OEIS Frontend

A368021 a(n) is the permanent of the n-th order Hankel matrix of Catalan numbers M(n) whose generic element is given by M(i,j) = A000108(i+j+3) with i,j = 0, ..., n-1.

Table of values

List of values