A217018 - cp's OEIS frontend

A217018 Partial sums of 3-almost primes which are again 3-almost primes, i.e., have exactly 3 not necessarily distinct prime factors.

n	a(n)
1	8
2	20
3	964
4	1825
5	2074
6	2637
7	3614
8	3786
9	4503
10	5283
11	5495
12	6414
13	6652
14	7138
15	7383
16	9485
17	9764
18	10330
19	10615
20	11191
21	12427
22	12749
23	13074
24	15475
25	16195
26	16930
27	18446
28	19233
29	20855
30	22108
31	22959
32	23387
33	28273
34	28747
35	29222
36	30676
37	32695
38	34798
39	35871

[8, 20, 964, 1825, 2074, 2637, 3614, 3786, 4503, 5283, 5495, 6414, 6652, 7138, 7383, 9485, 9764, 10330, 10615, 11191, 12427, 12749, 13074, 15475, 16195, 16930, 18446, 19233, 20855, 22108, 22959, 23387, 28273, 28747, 29222, 30676, 32695, 34798, 35871]

cp's OEIS Frontend

A217018 Partial sums of 3-almost primes which are again 3-almost primes, i.e., have exactly 3 not necessarily distinct prime factors.

Table of values

List of values