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.

A036923 Odd composite numbers n such that the digit sum of n equals digit sum of sum of its prime factors (counted with multiplicity).

Table of values

n a(n)
1 27
2 105
3 121
4 265
5 315
6 355
7 445
8 517
9 841
10 913
11 915
12 1111
13 1165
14 1185
15 1219
16 1221
17 1239
18 1255
19 1345
20 1363
21 1507
22 1633
23 1903
24 2067
25 2101
26 2155
27 2173
28 2209
29 2227
30 2245
31 2265
32 2335
33 2409
34 2515
35 2533
36 2605
37 2965
38 3091
39 3129
40 3219
41 3235
42 3417
43 3505
44 3507

List of values

[27, 105, 121, 265, 315, 355, 445, 517, 841, 913, 915, 1111, 1165, 1185, 1219, 1221, 1239, 1255, 1345, 1363, 1507, 1633, 1903, 2067, 2101, 2155, 2173, 2209, 2227, 2245, 2265, 2335, 2409, 2515, 2533, 2605, 2965, 3091, 3129, 3219, 3235, 3417, 3505, 3507]

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

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