A064942 - cp's OEIS frontend

A064942 Decimal numbers n such that after possibly prefixing leading 0's to n, the resulting number n' can be broken into 2 numbers of equal length, n' = xy, such that x^2+y^2 = n (y may also have leading zeros).

n	a(n)
1	1
2	1233
3	8833
4	10100
5	990100
6	5882353
7	94122353
8	99009901
9	100010000
10	1765038125
11	2584043776
12	7416043776
13	8235038125
14	9901009901
15	48600220401
16	116788321168
17	123288328768
18	601300773101
19	876712328768
20	883212321168
21	990100990100

[1, 1233, 8833, 10100, 990100, 5882353, 94122353, 99009901, 100010000, 1765038125, 2584043776, 7416043776, 8235038125, 9901009901, 48600220401, 116788321168, 123288328768, 601300773101, 876712328768, 883212321168, 990100990100]

cp's OEIS Frontend

A064942 Decimal numbers n such that after possibly prefixing leading 0's to n, the resulting number n' can be broken into 2 numbers of equal length, n' = xy, such that x^2+y^2 = n (y may also have leading zeros).

Table of values

List of values