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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.

A068572 Numbers n such that sigma(n) = product of the squares of the decimal digits of n.

Table of values

n a(n)
1 1
2 1426
3 2235
4 13462
5 45192
6 67512
7 95241
8 119186
9 134732
10 152434
11 165271
12 263351
13 541443
14 1424335
15 2316354
16 2341535
17 2521376
18 3263541
19 3265218
20 3341572
21 3652182
22 4214295
23 4225417
24 5147324
25 5232472
26 6442513
27 11454724
28 11765416
29 11976314
30 12354716
31 12623752
32 13181665
33 13322745
34 13416198
35 14135891
36 14235642
37 14513891
38 16126734
39 16542361
40 17163642
41 17235714
42 18257331
43 18333451
44 19346152
45 21352862
46 21544941
47 21743524
48 23187129

List of values

[1, 1426, 2235, 13462, 45192, 67512, 95241, 119186, 134732, 152434, 165271, 263351, 541443, 1424335, 2316354, 2341535, 2521376, 3263541, 3265218, 3341572, 3652182, 4214295, 4225417, 5147324, 5232472, 6442513, 11454724, 11765416, 11976314, 12354716, 12623752, 13181665, 13322745, 13416198, 14135891, 14235642, 14513891, 16126734, 16542361, 17163642, 17235714, 18257331, 18333451, 19346152, 21352862, 21544941, 21743524, 23187129]

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

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