A188647 - cp's OEIS frontend

A188647 Array read by antidiagonals of a(n) = a(n-1)*k-((k-1)/(k^n)) where a(0)=1 and k=(sqrt(x^2+1)+x)^2 for integers x>=1.

n	a(n)
0	1
1	5
2	1
3	29
4	17
5	1
6	169
7	305
8	37
9	1
10	985
11	5473
12	1405
13	65
14	1
15	5741
16	98209
17	53353
18	4289
19	101
20	1
21	33461
22	1762289
23	2026009
24	283009
25	10301
26	145
27	1
28	195025
29	31622993
30	76934989
31	18674305
32	1050601
33	21169
34	197
35	1
36	1136689
37	567451585
38	2921503573
39	1232221121
40	107151001
41	3090529
42	39005
43	257
44	1

[1, 5, 1, 29, 17, 1, 169, 305, 37, 1, 985, 5473, 1405, 65, 1, 5741, 98209, 53353, 4289, 101, 1, 33461, 1762289, 2026009, 283009, 10301, 145, 1, 195025, 31622993, 76934989, 18674305, 1050601, 21169, 197, 1, 1136689, 567451585, 2921503573, 1232221121, 107151001, 3090529, 39005, 257, 1]

cp's OEIS Frontend

A188647 Array read by antidiagonals of a(n) = a(n-1)*k-((k-1)/(k^n)) where a(0)=1 and k=(sqrt(x^2+1)+x)^2 for integers x>=1.

Table of values

List of values