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.

A116360 Smallest number having exactly n partitions into products of two successive primes (A006094), or -1 if no such number exists.

Table of values

n a(n)
0 1
1 6
2 30
3 60
4 90
5 105
6 120
7 135
8 143
9 158
10 155
11 167
12 173
13 182
14 185
15 207
16 197
17 203
18 212
19 215
20 221
21 231
22 227
23 233
24 239
25 242
26 256
27 245
28 251
29 261
30 257
31 260
32 263
33 266
34 282
35 272
36 275
37 278
38 281
39 291
40 -1
41 287
42 290
43 293
44 296
45 309
46 312
47 302
48 305
49 319
50 308
51 314
52 -1
53 317
54 322
55 320

List of values

[1, 6, 30, 60, 90, 105, 120, 135, 143, 158, 155, 167, 173, 182, 185, 207, 197, 203, 212, 215, 221, 231, 227, 233, 239, 242, 256, 245, 251, 261, 257, 260, 263, 266, 282, 272, 275, 278, 281, 291, -1, 287, 290, 293, 296, 309, 312, 302, 305, 319, 308, 314, -1, 317, 322, 320]

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

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