A306824 - cp's OEIS frontend

A306824 Integer k such that digsum(k) = digsum (k/p(1)) = digsum (k/p(2)) = ... for all prime factors p(i) of k, where digsum(k) = A007953(k) is the digital sum of k.

n	a(n)
1	1
2	27
3	54
4	81
5	108
6	135
7	162
8	216
9	243
10	270
11	324
12	351
13	361
14	405
15	432
16	513
17	540
18	621
19	702
20	703
21	810
22	1026
23	1053
24	1080
25	1215
26	1242
27	1458
28	1620
29	1728
30	1944
31	2071
32	2079
33	2106
34	2133
35	2160
36	2187
37	2403
38	2413
39	2592
40	2700
41	2701
42	2916
43	3024
44	3051
45	3105
46	3267
47	3321
48	4023
49	4033
50	4050
51	4158

[1, 27, 54, 81, 108, 135, 162, 216, 243, 270, 324, 351, 361, 405, 432, 513, 540, 621, 702, 703, 810, 1026, 1053, 1080, 1215, 1242, 1458, 1620, 1728, 1944, 2071, 2079, 2106, 2133, 2160, 2187, 2403, 2413, 2592, 2700, 2701, 2916, 3024, 3051, 3105, 3267, 3321, 4023, 4033, 4050, 4158]

cp's OEIS Frontend

A306824 Integer k such that digsum(k) = digsum (k/p(1)) = digsum (k/p(2)) = ... for all prime factors p(i) of k, where digsum(k) = A007953(k) is the digital sum of k.

Table of values

List of values