A101899 - cp's OEIS frontend

A101899 Column 2 of triangular matrix A101897, in which column k equals column 0 of A101897^(k+1) and where the n-th row sums are zero for n>0.

n	a(n)
0	1
1	-3
2	9
3	-33
4	145
5	-753
6	4535
7	-31185
8	241621
9	-2085977
10	19878575
11	-207435465
12	2354040401
13	-28879390741
14	381015862819
15	-5381312495493
16	81032586154861
17	-1296239101205321
18	21956075917991823
19	-392643158131057189
20	7393747486434743561
21	-146254142534490299853

[1, -3, 9, -33, 145, -753, 4535, -31185, 241621, -2085977, 19878575, -207435465, 2354040401, -28879390741, 381015862819, -5381312495493, 81032586154861, -1296239101205321, 21956075917991823, -392643158131057189, 7393747486434743561, -146254142534490299853]

cp's OEIS Frontend

A101899 Column 2 of triangular matrix A101897, in which column k equals column 0 of A101897^(k+1) and where the n-th row sums are zero for n>0.

Table of values

List of values