A020727 - cp's OEIS frontend

A020727 Pisot sequence P(2,7): a(0)=2, a(1)=7, thereafter a(n+1) is the nearest integer to a(n)^2/a(n-1).

n	a(n)
0	2
1	7
2	24
3	82
4	280
5	956
6	3264
7	11144
8	38048
9	129904
10	443520
11	1514272
12	5170048
13	17651648
14	60266496
15	205762688
16	702517760
17	2398545664
18	8189147136
19	27959497216
20	95459694592
21	325919783936
22	1112759746560
23	3799199418368
24	12971278180352
25	44286713884672

[2, 7, 24, 82, 280, 956, 3264, 11144, 38048, 129904, 443520, 1514272, 5170048, 17651648, 60266496, 205762688, 702517760, 2398545664, 8189147136, 27959497216, 95459694592, 325919783936, 1112759746560, 3799199418368, 12971278180352, 44286713884672]

cp's OEIS Frontend

A020727 Pisot sequence P(2,7): a(0)=2, a(1)=7, thereafter a(n+1) is the nearest integer to a(n)^2/a(n-1).

Table of values

List of values