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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.

A144063 Egyptian fractions: number of solutions of 1 = 1/x_1 + ... + 1/x_n in positive integers x_1 < ... < x_n <= 256.

Table of values

n a(n)
1 1
2 0
3 1
4 6
5 62
6 642
7 5623
8 47126
9 368680
10 2715613
11 18876751
12 124137535
13 774232619
14 4595291801
15 26030660449
16 141031079451
17 731862267491
18 3641135367129
19 17379359388167
20 79633646141291
21 350541406992141
22 1483638948734104
23 6043258919626951
24 23713645892145709

List of values

[1, 0, 1, 6, 62, 642, 5623, 47126, 368680, 2715613, 18876751, 124137535, 774232619, 4595291801, 26030660449, 141031079451, 731862267491, 3641135367129, 17379359388167, 79633646141291, 350541406992141, 1483638948734104, 6043258919626951, 23713645892145709]

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

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