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.

A181629 Positive integers k = p_1^{r_1} ... p_n^{r_n} such that sum_{i=1..n} p_i^{-r_i} >= 1 (Non-Hyperbolic Integers).

Table of values

n a(n)
1 1
2 30
3 210
4 330
5 390
6 462
7 510
8 546
9 570
10 690
11 714
12 798
13 858
14 870
15 930
16 966
17 1050
18 1110
19 1218
20 1230
21 1290
22 1302
23 1410
24 1470
25 1554
26 1590
27 1722
28 1770
29 1830
30 2010
31 2130
32 2190
33 2310
34 2370
35 2490
36 2670
37 2730
38 2910
39 3030
40 3090
41 3210
42 3270
43 3390
44 3570
45 3630
46 3810

List of values

[1, 30, 210, 330, 390, 462, 510, 546, 570, 690, 714, 798, 858, 870, 930, 966, 1050, 1110, 1218, 1230, 1290, 1302, 1410, 1470, 1554, 1590, 1722, 1770, 1830, 2010, 2130, 2190, 2310, 2370, 2490, 2670, 2730, 2910, 3030, 3090, 3210, 3270, 3390, 3570, 3630, 3810]