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.

A038693 Numbers whose concatenation of prime factors (with multiplicity) is a square.

Table of values

n a(n)
1 10
2 20
3 145
4 178
5 183
6 203
7 802
8 1131
9 1202
10 1618
11 2436
12 2454
13 2810
14 2867
15 3218
16 3983
17 4645
18 4758
19 4939
20 5602
21 6989
22 7569
23 8166
24 8874
25 9023
26 9298
27 9407
28 9691
29 9821
30 10562
31 10845
32 12205
33 13138
34 14907
35 16739
36 16805
37 18482
38 19443
39 19858
40 19894
41 21445
42 26941

List of values

[10, 20, 145, 178, 183, 203, 802, 1131, 1202, 1618, 2436, 2454, 2810, 2867, 3218, 3983, 4645, 4758, 4939, 5602, 6989, 7569, 8166, 8874, 9023, 9298, 9407, 9691, 9821, 10562, 10845, 12205, 13138, 14907, 16739, 16805, 18482, 19443, 19858, 19894, 21445, 26941]

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

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