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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A173967 Sums of two consecutive numbers that are nonsquare semiprimes.

Table of values

n a(n)
1 29
2 43
3 67
4 69
5 77
6 115
7 171
8 173
9 187
10 189
11 237
12 245
13 267
14 283
15 285
16 291
17 317
18 355
19 403
20 405
21 411
22 427
23 429
24 435
25 437
26 507
27 597
28 603
29 605
30 653
31 669
32 763
33 787
34 789
35 891
36 893
37 907
38 963
39 1003
40 1029
41 1053
42 1075
43 1085
44 1107
45 1131
46 1245
47 1267
48 1269
49 1389
50 1395

List of values

[29, 43, 67, 69, 77, 115, 171, 173, 187, 189, 237, 245, 267, 283, 285, 291, 317, 355, 403, 405, 411, 427, 429, 435, 437, 507, 597, 603, 605, 653, 669, 763, 787, 789, 891, 893, 907, 963, 1003, 1029, 1053, 1075, 1085, 1107, 1131, 1245, 1267, 1269, 1389, 1395]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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