A141218 - cp's OEIS frontend

A141218 Write the n-th nonprime (A018252(n)) as a product of primes; decrease one copy of the largest prime by 1 and increase one copy of the smallest prime by 1, multiply the resulting numbers.

n	a(n)
1	1
2	3
3	6
4	6
5	8
6	12
7	12
8	18
9	16
10	12
11	18
12	24
13	24
14	30
15	24
16	24
17	36
18	24
19	36
20	36
21	24
22	40
23	48
24	36
25	36
26	54
27	48
28	48
29	54
30	60
31	48
32	66
33	48
34	48
35	60
36	64
37	72
38	54
39	60
40	72
41	72
42	84
43	72
44	90
45	72
46	48
47	72
48	90
49	96
50	88
51	90
52	72
53	108
54	80
55	108
56	80
57	108
58	96
59	72
60	120
61	108
62	96
63	126
64	112
65	120
66	108
67	96
68	132
69	120

[1, 3, 6, 6, 8, 12, 12, 18, 16, 12, 18, 24, 24, 30, 24, 24, 36, 24, 36, 36, 24, 40, 48, 36, 36, 54, 48, 48, 54, 60, 48, 66, 48, 48, 60, 64, 72, 54, 60, 72, 72, 84, 72, 90, 72, 48, 72, 90, 96, 88, 90, 72, 108, 80, 108, 80, 108, 96, 72, 120, 108, 96, 126, 112, 120, 108, 96, 132, 120]

cp's OEIS Frontend

A141218 Write the n-th nonprime (A018252(n)) as a product of primes; decrease one copy of the largest prime by 1 and increase one copy of the smallest prime by 1, multiply the resulting numbers.

Table of values

List of values

n	a(n)
1	1
2	3
3	6
4	6
5	8
6	12
7	12
8	18
9	16
10	12
11	18
12	24
13	24
14	30
15	24
16	24
17	36
18	24
19	36
20	36
21	24
22	40
23	48
24	36
25	36
26	54
27	48
28	48
29	54
30	60
31	48
32	66
33	48
34	48
35	60
36	64
37	72
38	54
39	60
40	72
41	72
42	84
43	72
44	90
45	72
46	48
47	72
48	90
49	96
50	88
51	90
52	72
53	108
54	80
55	108
56	80
57	108
58	96
59	72
60	120
61	108
62	96
63	126
64	112
65	120
66	108
67	96
68	132
69	120

n	a(n)
1	1
2	3
3	6
4	6
5	8
6	12
7	12
8	18
9	16
10	12
11	18
12	24
13	24
14	30
15	24
16	24
17	36
18	24
19	36
20	36
21	24
22	40
23	48
24	36
25	36
26	54
27	48
28	48
29	54
30	60
31	48
32	66
33	48
34	48
35	60
36	64
37	72
38	54
39	60
40	72
41	72
42	84
43	72
44	90
45	72
46	48
47	72
48	90
49	96
50	88
51	90
52	72
53	108
54	80
55	108
56	80
57	108
58	96
59	72
60	120
61	108
62	96
63	126
64	112
65	120
66	108
67	96
68	132
69	120

n	a(n)
1	1
2	3
3	6
4	6
5	8
6	12
7	12
8	18
9	16
10	12
11	18
12	24
13	24
14	30
15	24
16	24
17	36
18	24
19	36
20	36
21	24
22	40
23	48
24	36
25	36
26	54
27	48
28	48
29	54
30	60
31	48
32	66
33	48
34	48
35	60
36	64
37	72
38	54
39	60
40	72
41	72
42	84
43	72
44	90
45	72
46	48
47	72
48	90
49	96
50	88
51	90
52	72
53	108
54	80
55	108
56	80
57	108
58	96
59	72
60	120
61	108
62	96
63	126
64	112
65	120
66	108
67	96
68	132
69	120