A180484 - cp's OEIS frontend

A180484 Numbers n such that r(n/k)^2 is an integer, where n=(x_1 x_2 ... x_r) with x_i the decimal digits of n and k = x_1 x_2 * ... * x_r.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	11
11	12
12	15
13	24
14	36
15	111
16	112
17	115
18	128
19	132
20	135
21	144
22	175
23	212
24	216
25	224
26	312
27	315
28	384
29	432
30	612
31	624
32	672
33	735
34	816
35	1111
36	1112
37	1113
38	1114
39	1115
40	1116
41	1121
42	1122
43	1124
44	1125
45	1127
46	1128
47	1131
48	1134
49	1144
50	1161
51	1164
52	1176
53	1184

[1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 15, 24, 36, 111, 112, 115, 128, 132, 135, 144, 175, 212, 216, 224, 312, 315, 384, 432, 612, 624, 672, 735, 816, 1111, 1112, 1113, 1114, 1115, 1116, 1121, 1122, 1124, 1125, 1127, 1128, 1131, 1134, 1144, 1161, 1164, 1176, 1184]

cp's OEIS Frontend

A180484 Numbers n such that r(n/k)^2 is an integer, where n=(x_1 x_2 ... x_r) with x_i the decimal digits of n and k = x_1 x_2 * ... * x_r.

Table of values

List of values

cp's OEIS Frontend

A180484 Numbers n such that r*(n/k)^2 is an integer, where n=(x_1 x_2 ... x_r) with x_i the decimal digits of n and k = x_1 * x_2 * ... * x_r.

Table of values

List of values

A180484 Numbers n such that r(n/k)^2 is an integer, where n=(x_1 x_2 ... x_r) with x_i the decimal digits of n and k = x_1 x_2 * ... * x_r.