A203430 - cp's OEIS frontend

A203430 Vandermonde determinant of the first n numbers (1,3,4,6,7,9,10,...) = (j+floor(j/2)).

n	a(n)
1	1
2	2
3	6
4	180
5	12960
6	18662400
7	84652646400
8	12068081270784000
9	6568897997313146880000
10	157325632547489652827750400000
11	16698920220108665726304214056960000000
12	101984821172231138973752227905335721984000000000

[1, 2, 6, 180, 12960, 18662400, 84652646400, 12068081270784000, 6568897997313146880000, 157325632547489652827750400000, 16698920220108665726304214056960000000, 101984821172231138973752227905335721984000000000]

cp's OEIS Frontend

A203430 Vandermonde determinant of the first n numbers (1,3,4,6,7,9,10,...) = (j+floor(j/2)).

Table of values

List of values