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.

A275986 Positive integers of the form x*10^k + y which also equal x^2 + y^2 (x, y and k being positive integers).

Table of values

n a(n)
1 101
2 1233
3 8833
4 10001
5 10100
6 990100
7 1000001
8 5882353
9 94122353
10 99009901
11 100000001
12 100010000
13 1765038125
14 2584043776
15 7416043776
16 8235038125
17 9901009901
18 10000000001
19 48600220401
20 116788321168
21 123288328768
22 601300773101
23 876712328768
24 883212321168
25 990100990100
26 999900010000
27 1000000000001
28 1000001000000

List of values

[101, 1233, 8833, 10001, 10100, 990100, 1000001, 5882353, 94122353, 99009901, 100000001, 100010000, 1765038125, 2584043776, 7416043776, 8235038125, 9901009901, 10000000001, 48600220401, 116788321168, 123288328768, 601300773101, 876712328768, 883212321168, 990100990100, 999900010000, 1000000000001, 1000001000000]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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