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.

A355973 Numbers that can be written as the product of two of its divisors such that the reverse of the binary value of the number equals the concatenation of the binary values of the divisors.

Table of values

n a(n)
1 351
2 623
3 5075
4 5535
5 21231
6 69237
7 78205
8 88479
9 89975
10 101239
11 173555
12 286011
13 339183
14 357471
15 625583
16 687245
17 1349487
18 1415583
19 2527343
20 3094039
21 5426415
22 5648031
23 5721183
24 5764651
25 6157723
26 8512457
27 10137575
28 10974951
29 11365839
30 11775915
31 14760911
32 18617337
33 21587823
34 21734127
35 22649247

List of values

[351, 623, 5075, 5535, 21231, 69237, 78205, 88479, 89975, 101239, 173555, 286011, 339183, 357471, 625583, 687245, 1349487, 1415583, 2527343, 3094039, 5426415, 5648031, 5721183, 5764651, 6157723, 8512457, 10137575, 10974951, 11365839, 11775915, 14760911, 18617337, 21587823, 21734127, 22649247]

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

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