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.

A363242 Numbers whose primorial-base representation contains only odd digits.

Table of values

n a(n)
1 1
2 3
3 9
4 21
5 39
6 51
7 99
8 111
9 159
10 171
11 249
12 261
13 309
14 321
15 369
16 381
17 669
18 681
19 729
20 741
21 789
22 801
23 1089
24 1101
25 1149
26 1161
27 1209
28 1221
29 1509
30 1521
31 1569
32 1581
33 1629
34 1641
35 1929
36 1941
37 1989
38 2001
39 2049
40 2061
41 2559
42 2571
43 2619
44 2631
45 2679
46 2691
47 2979
48 2991
49 3039

List of values

[1, 3, 9, 21, 39, 51, 99, 111, 159, 171, 249, 261, 309, 321, 369, 381, 669, 681, 729, 741, 789, 801, 1089, 1101, 1149, 1161, 1209, 1221, 1509, 1521, 1569, 1581, 1629, 1641, 1929, 1941, 1989, 2001, 2049, 2061, 2559, 2571, 2619, 2631, 2679, 2691, 2979, 2991, 3039]