cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A327303 One of the two successive approximations up to 5^n for the 5-adic integer sqrt(-9). This is the 4 (mod 5) case (except for n = 0).

Table of values

n a(n)
0 0
1 4
2 4
3 79
4 79
5 79
6 3204
7 18829
8 331329
9 1112579
10 1112579
11 20643829
12 118300079
13 850721954
14 3292128204
15 27706190704
16 149776503204
17 302364393829
18 1065303846954
19 8694698378204
20 46841671034454
21 332943965956329
22 332943965956329
23 5101315547987579
24 28943173458143829

List of values

[0, 4, 4, 79, 79, 79, 3204, 18829, 331329, 1112579, 1112579, 20643829, 118300079, 850721954, 3292128204, 27706190704, 149776503204, 302364393829, 1065303846954, 8694698378204, 46841671034454, 332943965956329, 332943965956329, 5101315547987579, 28943173458143829]