A289140 - cp's OEIS frontend

A289140 Positive numbers k such that rev(k)^2 + rev(k^2) is a square, where rev(n) = A004086(n) is the digital reverse of n.

n	a(n)
1	998586
2	3632658
3	9985860
4	36326580
5	74471091
6	99664458
7	99858600
8	363265800
9	634826115
10	743193501
11	744710910
12	756335085
13	759317343
14	996644580
15	998586000
16	3632658000
17	6348261150
18	7177621788
19	7431935010
20	7447109100
21	7563350850
22	7593173430
23	9966445800

[998586, 3632658, 9985860, 36326580, 74471091, 99664458, 99858600, 363265800, 634826115, 743193501, 744710910, 756335085, 759317343, 996644580, 998586000, 3632658000, 6348261150, 7177621788, 7431935010, 7447109100, 7563350850, 7593173430, 9966445800]

cp's OEIS Frontend

A289140 Positive numbers k such that rev(k)^2 + rev(k^2) is a square, where rev(n) = A004086(n) is the digital reverse of n.

Table of values

List of values