A306830 - cp's OEIS frontend

A306830 Integers k for which there exists a nonnegative integer j such that (s(k) + j) * reversal(s(k) + j) = k where s(k) is the sum of digits of k.

n	a(n)
1	1
2	10
3	40
4	81
5	90
6	100
7	121
8	160
9	250
10	252
11	360
12	400
13	403
14	484
15	490
16	574
17	640
18	736
19	765
20	810
21	900
22	976
23	1000
24	1008
25	1089
26	1207
27	1210
28	1300
29	1458
30	1462
31	1600
32	1612
33	1729
34	1855
35	1936
36	1944
37	2268
38	2296
39	2430
40	2500
41	2520
42	2668
43	2701
44	2944
45	3025
46	3154
47	3478
48	3600
49	3627
50	3640
51	4000
52	4030
53	4032
54	4275

[1, 10, 40, 81, 90, 100, 121, 160, 250, 252, 360, 400, 403, 484, 490, 574, 640, 736, 765, 810, 900, 976, 1000, 1008, 1089, 1207, 1210, 1300, 1458, 1462, 1600, 1612, 1729, 1855, 1936, 1944, 2268, 2296, 2430, 2500, 2520, 2668, 2701, 2944, 3025, 3154, 3478, 3600, 3627, 3640, 4000, 4030, 4032, 4275]

cp's OEIS Frontend

A306830 Integers k for which there exists a nonnegative integer j such that (s(k) + j) * reversal(s(k) + j) = k where s(k) is the sum of digits of k.

Table of values

List of values