A071228 - cp's OEIS frontend

A071228 a(n) = n*(n-th composite number).

n	a(n)
1	4
2	12
3	24
4	36
5	50
6	72
7	98
8	120
9	144
10	180
11	220
12	252
13	286
14	336
15	375
16	416
17	459
18	504
19	570
20	640
21	693
22	748
23	805
24	864
25	950
26	1014
27	1080
28	1176
29	1276
30	1350
31	1426
32	1536
33	1617
34	1700
35	1785
36	1872
37	1998
38	2090
39	2184
40	2280
41	2378
42	2520
43	2666
44	2772
45	2880
46	2990
47	3102

[4, 12, 24, 36, 50, 72, 98, 120, 144, 180, 220, 252, 286, 336, 375, 416, 459, 504, 570, 640, 693, 748, 805, 864, 950, 1014, 1080, 1176, 1276, 1350, 1426, 1536, 1617, 1700, 1785, 1872, 1998, 2090, 2184, 2280, 2378, 2520, 2666, 2772, 2880, 2990, 3102]

cp's OEIS Frontend

A071228 a(n) = n*(n-th composite number).

Table of values

List of values