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.

A153115 Positive integers with the same number of 1s in base 10 and base 2.

Table of values

n a(n)
1 1
2 16
3 128
4 512
5 1024
6 1152
7 2112
8 4112
9 8192
10 16384
11 16416
12 16512
13 131073
14 131074
15 131076
16 131080
17 131081
18 131088
19 131105
20 131106
21 131108
22 131110
23 131111
24 131113
25 131114
26 131116
27 131120
28 131121
29 131137
30 131138
31 131140
32 131141
33 131144
34 131152

List of values

[1, 16, 128, 512, 1024, 1152, 2112, 4112, 8192, 16384, 16416, 16512, 131073, 131074, 131076, 131080, 131081, 131088, 131105, 131106, 131108, 131110, 131111, 131113, 131114, 131116, 131120, 131121, 131137, 131138, 131140, 131141, 131144, 131152]

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

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