A069651 - cp's OEIS frontend

A069651 For n >= 1, let M_n be the n X n matrix with M_n(i,j) = i^2/(i+j); then a(n) = 1/det(M_n). Also, a(0) = 1 by convention.

n	a(n)
0	1
1	2
2	18
3	1200
4	735000
5	4667544000
6	332086420512000
7	279394363051195392000
8	2892376010829659126572800000
9	379850021025259936655866602240000000
10	648304836222110631242066578424390188032000000

[1, 2, 18, 1200, 735000, 4667544000, 332086420512000, 279394363051195392000, 2892376010829659126572800000, 379850021025259936655866602240000000, 648304836222110631242066578424390188032000000]

cp's OEIS Frontend

A069651 For n >= 1, let M_n be the n X n matrix with M_n(i,j) = i^2/(i+j); then a(n) = 1/det(M_n). Also, a(0) = 1 by convention.

Table of values

List of values