A368078 - cp's OEIS frontend

A368078 Lexicographically earliest increasing sequence a(n) of products of 4 primes such that a(n) - a(n-1) and a(n) + a(n-1) are also products of 4 primes. The 4 primes are counted with multiplicity.

n	a(n)
1	16
2	40
3	100
4	250
5	558
6	852
7	1062
8	1078
9	1628
10	1644
11	1794
12	2004
13	2020
14	2152
15	2292
16	2418
17	2650
18	2706
19	2796
20	2812
21	3032
22	3116
23	3736
24	3796
25	3896
26	3956
27	3972
28	4026
29	4450
30	4466
31	4794
32	5054
33	5094
34	5150
35	5525
36	5661
37	5697
38	5925
39	6201
40	6225
41	6325
42	6550
43	6566
44	6606
45	6756
46	6856
47	6956
48	7016
49	7076
50	8030
51	8214

[16, 40, 100, 250, 558, 852, 1062, 1078, 1628, 1644, 1794, 2004, 2020, 2152, 2292, 2418, 2650, 2706, 2796, 2812, 3032, 3116, 3736, 3796, 3896, 3956, 3972, 4026, 4450, 4466, 4794, 5054, 5094, 5150, 5525, 5661, 5697, 5925, 6201, 6225, 6325, 6550, 6566, 6606, 6756, 6856, 6956, 7016, 7076, 8030, 8214]

cp's OEIS Frontend

A368078 Lexicographically earliest increasing sequence a(n) of products of 4 primes such that a(n) - a(n-1) and a(n) + a(n-1) are also products of 4 primes. The 4 primes are counted with multiplicity.

Table of values

List of values