A020700 - cp's OEIS frontend

A020700 Numbers k such that k + sum of its prime factors = (k+1) + sum of its prime factors.

n	a(n)
1	7
2	14
3	63
4	80
5	224
6	285
7	351
8	363
9	475
10	860
11	902
12	1088
13	1479
14	2013
15	2023
16	3478
17	3689
18	3925
19	5984
20	6715
21	8493
22	9456
23	13224
24	15520
25	17227
26	18569
27	19502
28	20490
29	21804
30	24435
31	24476
32	27335
33	31899
34	32390
35	35815
36	37406
37	37582
38	41876
39	49468
40	50609
41	54137
42	57239

[7, 14, 63, 80, 224, 285, 351, 363, 475, 860, 902, 1088, 1479, 2013, 2023, 3478, 3689, 3925, 5984, 6715, 8493, 9456, 13224, 15520, 17227, 18569, 19502, 20490, 21804, 24435, 24476, 27335, 31899, 32390, 35815, 37406, 37582, 41876, 49468, 50609, 54137, 57239]

cp's OEIS Frontend

A020700 Numbers k such that k + sum of its prime factors = (k+1) + sum of its prime factors.

Table of values

List of values