A144551 - cp's OEIS frontend

A144551 a(n) = nonprime(n)*nonprime(n+1)/2, where nonprime(n) = A141468(n).

n	a(n)
1	0
2	2
3	12
4	24
5	36
6	45
7	60
8	84
9	105
10	120
11	144
12	180
13	210
14	231
15	264
16	300
17	325
18	351
19	378
20	420
21	480
22	528
23	561
24	595
25	630
26	684
27	741
28	780
29	840
30	924
31	990
32	1035
33	1104
34	1176
35	1225
36	1275
37	1326
38	1404
39	1485
40	1540
41	1596
42	1653
43	1740
44	1860
45	1953
46	2016
47	2080
48	2145
49	2244
50	2346

[0, 2, 12, 24, 36, 45, 60, 84, 105, 120, 144, 180, 210, 231, 264, 300, 325, 351, 378, 420, 480, 528, 561, 595, 630, 684, 741, 780, 840, 924, 990, 1035, 1104, 1176, 1225, 1275, 1326, 1404, 1485, 1540, 1596, 1653, 1740, 1860, 1953, 2016, 2080, 2145, 2244, 2346]

cp's OEIS Frontend

A144551 a(n) = nonprime(n)*nonprime(n+1)/2, where nonprime(n) = A141468(n).

Table of values

List of values