A166994 - cp's OEIS frontend

A166994 Triangle, read by rows, where T(n,k) = T(n,k-1)^2 - T(k-1,k-1)^2 for n>=k>1, with T(n,1) = n for n>=1.

n	a(n)
1	1
2	2
3	3
4	3
5	8
6	55
7	4
8	15
9	216
10	43631
11	5
12	24
13	567
14	318464
15	99515655135
16	6
17	35
18	1216
19	1475631
20	2175583184000
21	4723258824886629604131775
22	7
23	48
24	2295
25	5264000
26	27707792335839
27	767711852760361479511965696

[1, 2, 3, 3, 8, 55, 4, 15, 216, 43631, 5, 24, 567, 318464, 99515655135, 6, 35, 1216, 1475631, 2175583184000, 4723258824886629604131775, 7, 48, 2295, 5264000, 27707792335839, 767711852760361479511965696]

cp's OEIS Frontend

A166994 Triangle, read by rows, where T(n,k) = T(n,k-1)^2 - T(k-1,k-1)^2 for n>=k>1, with T(n,1) = n for n>=1.

Table of values

List of values