A248353 - cp's OEIS frontend

A248353 Kaprekar numbers, allowing powers of 10: n such that n=q+r and n^2=q*10^m+r, for some m >= 1, q>=0 and 0<=r<10^m.

n	a(n)
1	1
2	9
3	10
4	45
5	55
6	99
7	100
8	297
9	703
10	999
11	1000
12	2223
13	2728
14	4879
15	4950
16	5050
17	5292
18	7272
19	7777
20	9999
21	10000
22	17344
23	22222
24	38962
25	77778
26	82656
27	95121
28	99999
29	100000
30	142857
31	148149
32	181819
33	187110
34	208495
35	318682
36	329967
37	351352
38	356643
39	390313
40	461539

[1, 9, 10, 45, 55, 99, 100, 297, 703, 999, 1000, 2223, 2728, 4879, 4950, 5050, 5292, 7272, 7777, 9999, 10000, 17344, 22222, 38962, 77778, 82656, 95121, 99999, 100000, 142857, 148149, 181819, 187110, 208495, 318682, 329967, 351352, 356643, 390313, 461539]

cp's OEIS Frontend

A248353 Kaprekar numbers, allowing powers of 10: n such that n=q+r and n^2=q*10^m+r, for some m >= 1, q>=0 and 0<=r<10^m.

Table of values

List of values