A280659 - cp's OEIS frontend

A280659 Lexicographically earliest sequence of distinct positive terms such that the sum of two consecutive terms has at least 5 distinct prime factors.

n	a(n)
1	1
2	2309
3	421
4	1889
5	841
6	1469
7	1261
8	1049
9	1681
10	629
11	2101
12	209
13	2521
14	1769
15	541
16	2189
17	121
18	2609
19	961
20	1349
21	1381
22	929
23	1801
24	509
25	2221
26	89
27	2641
28	1649
29	661
30	2069
31	241
32	2489
33	1081
34	1229
35	1501
36	809
37	1921
38	389
39	2341
40	1949
41	361
42	2369
43	1201
44	1109
45	1621
46	689
47	2041

[1, 2309, 421, 1889, 841, 1469, 1261, 1049, 1681, 629, 2101, 209, 2521, 1769, 541, 2189, 121, 2609, 961, 1349, 1381, 929, 1801, 509, 2221, 89, 2641, 1649, 661, 2069, 241, 2489, 1081, 1229, 1501, 809, 1921, 389, 2341, 1949, 361, 2369, 1201, 1109, 1621, 689, 2041]

cp's OEIS Frontend

A280659 Lexicographically earliest sequence of distinct positive terms such that the sum of two consecutive terms has at least 5 distinct prime factors.

Table of values

List of values