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.

A295296 Numbers n such that the sum of their divisors + the number of ones in their binary expansion = 2n; numbers for which A000203(n) + A000120(n) = 2n.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 8
6 10
7 16
8 32
9 64
10 128
11 136
12 256
13 315
14 512
15 1024
16 2048
17 4096
18 8192
19 16384
20 32768
21 32896
22 65536
23 131072
24 262144
25 524288
26 1048576
27 2097152
28 4194304
29 8388608
30 16777216
31 33554432
32 67108864
33 134217728
34 268435456
35 536870912
36 1073741824
37 2147483648
38 2147516416

List of values

[1, 2, 3, 4, 8, 10, 16, 32, 64, 128, 136, 256, 315, 512, 1024, 2048, 4096, 8192, 16384, 32768, 32896, 65536, 131072, 262144, 524288, 1048576, 2097152, 4194304, 8388608, 16777216, 33554432, 67108864, 134217728, 268435456, 536870912, 1073741824, 2147483648, 2147516416]

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

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