A382330 - cp's OEIS frontend

A382330 a(n) is the number of positive integers k for which Sum_{i=1..j} (p_i+e_i) = n, where p_1^e_1...p_j^e_j is the prime factorization of k.

n	a(n)
1	0
2	0
3	1
4	2
5	2
6	3
7	4
8	6
9	8
10	11
11	15
12	21
13	27
14	36
15	47
16	61
17	79
18	104
19	133
20	170
21	215
22	272
23	343
24	433
25	542
26	678
27	845
28	1050
29	1300
30	1608
31	1981
32	2437
33	2988
34	3655
35	4460
36	5433
37	6603
38	8014
39	9705
40	11731
41	14155
42	17055
43	20509
44	24624
45	29512
46	35313
47	42184
48	50315
49	59916
50	71248
51	84598

[0, 0, 1, 2, 2, 3, 4, 6, 8, 11, 15, 21, 27, 36, 47, 61, 79, 104, 133, 170, 215, 272, 343, 433, 542, 678, 845, 1050, 1300, 1608, 1981, 2437, 2988, 3655, 4460, 5433, 6603, 8014, 9705, 11731, 14155, 17055, 20509, 24624, 29512, 35313, 42184, 50315, 59916, 71248, 84598]

cp's OEIS Frontend

A382330 a(n) is the number of positive integers k for which Sum_{i=1..j} (p_i+e_i) = n, where p_1^e_1...p_j^e_j is the prime factorization of k.

Table of values

List of values

cp's OEIS Frontend

A382330 a(n) is the number of positive integers k for which Sum_{i=1..j} (p_i+e_i) = n, where p_1^e_1*...*p_j^e_j is the prime factorization of k.

Table of values

List of values

A382330 a(n) is the number of positive integers k for which Sum_{i=1..j} (p_i+e_i) = n, where p_1^e_1...p_j^e_j is the prime factorization of k.