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.

A138869 Concatenation of first two digits and last two digits of n-th even superperfect number A061652(n).

Table of values

n a(n)
1 22
2 44
3 1616
4 6464
5 4096
6 6536
7 2644
8 1024
9 1176
10 3056
11 8164
12 8564
13 3476
14 2664
15 5244
16 7304
17 2276
18 1236
19 9596
20 1404
21 2356
22 1776
23 1496
24 2136
25 2276
26 2056
27 4236
28 2604
29 2604
30 2556
31 3724
32 8744
33 6496
34 2064
35 4056
36 3176
37 6336
38 2196
39 4636
40 6224
41 1404
42 6124
43 1536
44 6236
45 1064
46 8476
47 1556

List of values

[22, 44, 1616, 6464, 4096, 6536, 2644, 1024, 1176, 3056, 8164, 8564, 3476, 2664, 5244, 7304, 2276, 1236, 9596, 1404, 2356, 1776, 1496, 2136, 2276, 2056, 4236, 2604, 2604, 2556, 3724, 8744, 6496, 2064, 4056, 3176, 6336, 2196, 4636, 6224, 1404, 6124, 1536, 6236, 1064, 8476, 1556]