cp's OEIS Frontend

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.

A101983 Numbers that do not occur in A101909 (= number of primes between 2n and 4n).

Table of values

n a(n)
1 11
2 79
3 134
4 184
5 186
6 215
7 245
8 262
9 284
10 305
11 387
12 544
13 694
14 700
15 706
16 776
17 814
18 881
19 939
20 974
21 1002
22 1027
23 1079
24 1104
25 1133
26 1146
27 1184
28 1193
29 1207
30 1354
31 1387
32 1415
33 1441
34 1495
35 1574
36 1587
37 1608
38 1662
39 1690
40 1801
41 1915
42 1987
43 2054
44 2067
45 2104
46 2170

List of values

[11, 79, 134, 184, 186, 215, 245, 262, 284, 305, 387, 544, 694, 700, 706, 776, 814, 881, 939, 974, 1002, 1027, 1079, 1104, 1133, 1146, 1184, 1193, 1207, 1354, 1387, 1415, 1441, 1495, 1574, 1587, 1608, 1662, 1690, 1801, 1915, 1987, 2054, 2067, 2104, 2170]

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

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