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.

A063737 Numbers n such that sum of digits of n is equal to the sum of the prime factors of n, counted with multiplicity.

Table of values

n a(n)
1 2
2 3
3 4
4 5
5 7
6 27
7 378
8 576
9 588
10 648
11 729
12 2688
13 17496
14 19683
15 49896
16 69888
17 3796875
18 3857868
19 4898880
20 5878656
21 7077888
22 8957952
23 2499898464
24 34998578496
25 49997969280
26 2928898896840
27 7625597484987
28 184958866998359685

List of values

[2, 3, 4, 5, 7, 27, 378, 576, 588, 648, 729, 2688, 17496, 19683, 49896, 69888, 3796875, 3857868, 4898880, 5878656, 7077888, 8957952, 2499898464, 34998578496, 49997969280, 2928898896840, 7625597484987, 184958866998359685]

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

Content is available under The OEIS End-User License Agreement.