A237929 - cp's OEIS frontend

A237929 Numbers n such that (i) the sum of prime divisors of n (with repetition) is one less than the sum of prime divisors (with repetition) of n+1, and (ii) n and n+1 have the same number of prime divisors (with repetition).

n	a(n)
1	2
2	9
3	98
4	170
5	1274
6	4233
7	4345
8	7105
9	7625
10	14905
11	21385
12	30457
13	34945
14	66585
15	69874
16	77314
17	82946
18	98841
19	175354
20	177122
21	233090
22	236282
23	238017
24	263145
25	265225
26	295274
27	298082
28	322234
29	335793
30	336106

[2, 9, 98, 170, 1274, 4233, 4345, 7105, 7625, 14905, 21385, 30457, 34945, 66585, 69874, 77314, 82946, 98841, 175354, 177122, 233090, 236282, 238017, 263145, 265225, 295274, 298082, 322234, 335793, 336106]

cp's OEIS Frontend

A237929 Numbers n such that (i) the sum of prime divisors of n (with repetition) is one less than the sum of prime divisors (with repetition) of n+1, and (ii) n and n+1 have the same number of prime divisors (with repetition).

Table of values

List of values