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.

A206288 Nonprime numbers with all divisors starting with digit 1.

Table of values

n a(n)
1 1
2 121
3 143
4 169
5 187
6 1111
7 1133
8 1177
9 1199
10 1243
11 1313
12 1331
13 1339
14 1391
15 1397
16 1417
17 1441
18 1469
19 1507
20 1529
21 1573
22 1639
23 1651
24 1661
25 1703
26 1717
27 1727
28 1751
29 1781
30 1793
31 1807
32 1819
33 1837
34 1853
35 1859
36 1903
37 1919
38 1921
39 1937
40 1957
41 1963
42 1969
43 1991

List of values

[1, 121, 143, 169, 187, 1111, 1133, 1177, 1199, 1243, 1313, 1331, 1339, 1391, 1397, 1417, 1441, 1469, 1507, 1529, 1573, 1639, 1651, 1661, 1703, 1717, 1727, 1751, 1781, 1793, 1807, 1819, 1837, 1853, 1859, 1903, 1919, 1921, 1937, 1957, 1963, 1969, 1991]