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.

A171225 Nonnegative numbers which cannot be represented by inserting plus or minus signs between the digits of 123456789.

Table of values

n a(n)
1 160
2 178
3 196
4 211
5 219
6 221
7 223
8 227
9 229
10 233
11 235
12 237
13 239
14 241
15 247
16 250
17 253
18 259
19 274
20 277
21 284
22 286
23 287
24 292
25 295
26 300
27 302
28 304
29 309
30 310
31 312
32 313
33 319
34 325
35 331
36 337
37 349
38 363
39 367
40 368
41 372
42 377
43 381
44 382
45 385
46 388
47 390
48 391
49 392
50 395
51 397
52 399
53 400
54 401

List of values

[160, 178, 196, 211, 219, 221, 223, 227, 229, 233, 235, 237, 239, 241, 247, 250, 253, 259, 274, 277, 284, 286, 287, 292, 295, 300, 302, 304, 309, 310, 312, 313, 319, 325, 331, 337, 349, 363, 367, 368, 372, 377, 381, 382, 385, 388, 390, 391, 392, 395, 397, 399, 400, 401]

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

Content is available under The OEIS End-User License Agreement.