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.

A253055 Odd composite terms in A098550 that are neither primes nor terms of A251544, in order of appearance.

Table of values

n a(n)
1 15
2 35
3 27
4 39
5 45
6 51
7 55
8 65
9 91
10 49
11 63
12 57
13 69
14 75
15 81
16 87
17 99
18 77
19 119
20 133
21 161
22 175
23 105
24 117
25 123
26 135
27 125
28 145
29 155
30 165
31 203
32 147
33 141
34 153
35 171
36 185
37 195
38 143
39 121
40 187
41 159
42 183
43 189
44 201
45 205
46 215
47 235
48 225
49 207
50 219
51 231
52 209
53 243
54 249
55 217
56 245

List of values

[15, 35, 27, 39, 45, 51, 55, 65, 91, 49, 63, 57, 69, 75, 81, 87, 99, 77, 119, 133, 161, 175, 105, 117, 123, 135, 125, 145, 155, 165, 203, 147, 141, 153, 171, 185, 195, 143, 121, 187, 159, 183, 189, 201, 205, 215, 235, 225, 207, 219, 231, 209, 243, 249, 217, 245]

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

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