A113384 - cp's OEIS frontend

A113384 Triangle, read by rows, equal to the matrix square of A113381. Also given by: Q^2 = RP = RQ*(R^-2)QR = PQ(P^-2)QP, using triangular matrices P=A113370, Q=A113381 and R=A113389.

n	a(n)
0	1
1	4
2	1
3	22
4	10
5	1
6	212
7	130
8	16
9	1
10	3255
11	2365
12	328
13	22
14	1
15	70777
16	57695
17	8640
18	616
19	28
20	1
21	2022897
22	1798275
23	284356
24	21197
25	994
26	34
27	1
28	72375484
29	68931064
30	11358500
31	875424
32	42196
33	1462
34	40
35	1
36	3130502129
37	3155772612
38	537277044
39	42499204

[1, 4, 1, 22, 10, 1, 212, 130, 16, 1, 3255, 2365, 328, 22, 1, 70777, 57695, 8640, 616, 28, 1, 2022897, 1798275, 284356, 21197, 994, 34, 1, 72375484, 68931064, 11358500, 875424, 42196, 1462, 40, 1, 3130502129, 3155772612, 537277044, 42499204]

cp's OEIS Frontend

A113384 Triangle, read by rows, equal to the matrix square of A113381. Also given by: Q^2 = RP = RQ*(R^-2)QR = PQ(P^-2)QP, using triangular matrices P=A113370, Q=A113381 and R=A113389.

Table of values

List of values

cp's OEIS Frontend

A113384 Triangle, read by rows, equal to the matrix square of A113381. Also given by: Q^2 = R*P = R*Q*(R^-2)*Q*R = P*Q*(P^-2)*Q*P, using triangular matrices P=A113370, Q=A113381 and R=A113389.

Table of values

List of values

A113384 Triangle, read by rows, equal to the matrix square of A113381. Also given by: Q^2 = RP = RQ*(R^-2)QR = PQ(P^-2)QP, using triangular matrices P=A113370, Q=A113381 and R=A113389.