A047675 - cp's OEIS frontend

A047675 Square array a(n,k) read by antidiagonals: a(n,1)=n, a(1,k)=k, a(n,k) = a(n-1,k-1)a(n-1,k)a(n,k-1).

n	a(n)
1	1
2	2
3	2
4	3
5	4
6	3
7	4
8	24
9	24
10	4
11	5
12	288
13	2304
14	288
15	5
16	6
17	5760
18	15925248
19	15925248
20	5760
21	6
22	7
23	172800
24	26418075402240
25	584325558976905216
26	26418075402240
27	172800
28	7
29	8
30	7257600
31	26294650153960734720000
32	245834178389044369818454697074564792320

[1, 2, 2, 3, 4, 3, 4, 24, 24, 4, 5, 288, 2304, 288, 5, 6, 5760, 15925248, 15925248, 5760, 6, 7, 172800, 26418075402240, 584325558976905216, 26418075402240, 172800, 7, 8, 7257600, 26294650153960734720000, 245834178389044369818454697074564792320]

cp's OEIS Frontend

A047675 Square array a(n,k) read by antidiagonals: a(n,1)=n, a(1,k)=k, a(n,k) = a(n-1,k-1)a(n-1,k)a(n,k-1).

Table of values

List of values

cp's OEIS Frontend

A047675 Square array a(n,k) read by antidiagonals: a(n,1)=n, a(1,k)=k, a(n,k) = a(n-1,k-1)*a(n-1,k)*a(n,k-1).

Table of values

List of values

A047675 Square array a(n,k) read by antidiagonals: a(n,1)=n, a(1,k)=k, a(n,k) = a(n-1,k-1)a(n-1,k)a(n,k-1).