A071247 - cp's OEIS frontend

A071247 Numbers n such that A078142(n) = A078142(n+1), where A078142(n) is the sum of the differences of the distinct prime factors p of n and the next square larger than p.

n	a(n)
1	7
2	12
3	19
4	29
5	86
6	96
7	99
8	121
9	132
10	138
11	153
12	154
13	164
14	183
15	192
16	220
17	230
18	234
19	251
20	274
21	280
22	286
23	353
24	390
25	444
26	455
27	476
28	484
29	539
30	589
31	651
32	675
33	704
34	730
35	774
36	785
37	813
38	850
39	867
40	944
41	965
42	1069
43	1152
44	1216
45	1238
46	1250
47	1266
48	1280
49	1299
50	1308
51	1333

[7, 12, 19, 29, 86, 96, 99, 121, 132, 138, 153, 154, 164, 183, 192, 220, 230, 234, 251, 274, 280, 286, 353, 390, 444, 455, 476, 484, 539, 589, 651, 675, 704, 730, 774, 785, 813, 850, 867, 944, 965, 1069, 1152, 1216, 1238, 1250, 1266, 1280, 1299, 1308, 1333]

cp's OEIS Frontend

A071247 Numbers n such that A078142(n) = A078142(n+1), where A078142(n) is the sum of the differences of the distinct prime factors p of n and the next square larger than p.

Table of values

List of values