A368019 - cp's OEIS frontend

A368019 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+1) with i,j = 0, ..., n-1.

n	a(n)
0	1
1	1
2	9
3	979
4	1417675
5	28665184527
6	8325587326635565
7	35389363346700690999467
8	2230867495754739989535874468003
9	2106171270085074740753132799048111935155
10	30007898337707083458776293190436074888346472515407
11	6491219550166075876771081259839537013093735814742318424677245

[1, 1, 9, 979, 1417675, 28665184527, 8325587326635565, 35389363346700690999467, 2230867495754739989535874468003, 2106171270085074740753132799048111935155, 30007898337707083458776293190436074888346472515407, 6491219550166075876771081259839537013093735814742318424677245]

cp's OEIS Frontend

A368019 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+1) with i,j = 0, ..., n-1.

Table of values

List of values