A191872 - cp's OEIS frontend

A191872 a(n) is the smallest multiple of n such that the sum of the square of the decimal digits of a(n) is divisible by n.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	130
11	1265
12	60
13	143
14	154
15	360
16	48
17	1071
18	396
19	133
20	240
21	693
22	1386
23	1817
24	888
25	50
26	286
27	999
28	2408
29	2552
30	390
31	372
32	448
33	1419
34	2992
35	315
36	2268
37	1295
38	266
39	3666
40	480
41	1148
42	1344
43	129
44	11176
45	360
46	3818
47	329
48	8880
49	2254
50	550
51	1071
52	2444
53	2597
54	2268
55	12485
56	2688
57	399
58	2552
59	12449
60	111960
61	549
62	372
63	693
64	8000

[1, 2, 3, 4, 5, 6, 7, 8, 9, 130, 1265, 60, 143, 154, 360, 48, 1071, 396, 133, 240, 693, 1386, 1817, 888, 50, 286, 999, 2408, 2552, 390, 372, 448, 1419, 2992, 315, 2268, 1295, 266, 3666, 480, 1148, 1344, 129, 11176, 360, 3818, 329, 8880, 2254, 550, 1071, 2444, 2597, 2268, 12485, 2688, 399, 2552, 12449, 111960, 549, 372, 693, 8000]

cp's OEIS Frontend

A191872 a(n) is the smallest multiple of n such that the sum of the square of the decimal digits of a(n) is divisible by n.

Table of values

List of values